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[Linux-stable-mirror] Patch "media: soc_camera: soc_scale_crop: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE" has been added to the 4.15-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled media: soc_camera: soc_scale_crop: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE to the 4.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: media-soc_camera-soc_scale_crop-add-missing-module_description-author-license.patch and it can be found in the queue-4.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From 5331aec1bf9c9da557668174e0a4bfcee39f1121 Mon Sep 17 00:00:00 2001 From: Jesse Chan <jc(a)linux.com> Date: Mon, 20 Nov 2017 15:56:28 -0500 Subject: media: soc_camera: soc_scale_crop: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE From: Jesse Chan <jc(a)linux.com> commit 5331aec1bf9c9da557668174e0a4bfcee39f1121 upstream. This change resolves a new compile-time warning when built as a loadable module: WARNING: modpost: missing MODULE_LICENSE() in drivers/media/platform/soc_camera/soc_scale_crop.o see include/linux/module.h for more information This adds the license as "GPL", which matches the header of the file. MODULE_DESCRIPTION and MODULE_AUTHOR are also added. Signed-off-by: Jesse Chan <jc(a)linux.com> Signed-off-by: Hans Verkuil <hans.verkuil(a)cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab(a)s-opensource.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/media/platform/soc_camera/soc_scale_crop.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/media/platform/soc_camera/soc_scale_crop.c +++ b/drivers/media/platform/soc_camera/soc_scale_crop.c @@ -420,3 +420,7 @@ void soc_camera_calc_client_output(struc mf->height = soc_camera_shift_scale(rect->height, shift, scale_v); } EXPORT_SYMBOL(soc_camera_calc_client_output); + +MODULE_DESCRIPTION("soc-camera scaling-cropping functions"); +MODULE_AUTHOR("Guennadi Liakhovetski <kernel(a)pengutronix.de>"); +MODULE_LICENSE("GPL"); Patches currently in stable-queue which might be from jc(a)linux.com are queue-4.15/media-soc_camera-soc_scale_crop-add-missing-module_description-author-license.patch queue-4.15/media-mtk-vcodec-add-missing-module_license-description.patch queue-4.15/media-tegra-cec-add-missing-module_description-author-license.patch

7 years, 3 months

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[Linux-stable-mirror] Patch "media: tegra-cec: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE" has been added to the 4.15-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled media: tegra-cec: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE to the 4.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: media-tegra-cec-add-missing-module_description-author-license.patch and it can be found in the queue-4.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From 20772c1a6f0e03d4231e2b539863987fa0c94e89 Mon Sep 17 00:00:00 2001 From: Jesse Chan <jc(a)linux.com> Date: Mon, 20 Nov 2017 15:56:52 -0500 Subject: media: tegra-cec: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE From: Jesse Chan <jc(a)linux.com> commit 20772c1a6f0e03d4231e2b539863987fa0c94e89 upstream. This change resolves a new compile-time warning when built as a loadable module: WARNING: modpost: missing MODULE_LICENSE() in drivers/media/platform/tegra-cec/tegra_cec.o see include/linux/module.h for more information This adds the license as "GPL v2", which matches the header of the file. MODULE_DESCRIPTION and MODULE_AUTHOR are also added. Signed-off-by: Jesse Chan <jc(a)linux.com> Signed-off-by: Hans Verkuil <hans.verkuil(a)cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab(a)s-opensource.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/media/platform/tegra-cec/tegra_cec.c | 5 +++++ 1 file changed, 5 insertions(+) --- a/drivers/media/platform/tegra-cec/tegra_cec.c +++ b/drivers/media/platform/tegra-cec/tegra_cec.c @@ -493,3 +493,8 @@ static struct platform_driver tegra_cec_ }; module_platform_driver(tegra_cec_driver); + +MODULE_DESCRIPTION("Tegra HDMI CEC driver"); +MODULE_AUTHOR("NVIDIA CORPORATION"); +MODULE_AUTHOR("Cisco Systems, Inc. and/or its affiliates"); +MODULE_LICENSE("GPL v2"); Patches currently in stable-queue which might be from jc(a)linux.com are queue-4.15/media-soc_camera-soc_scale_crop-add-missing-module_description-author-license.patch queue-4.15/media-mtk-vcodec-add-missing-module_license-description.patch queue-4.15/media-tegra-cec-add-missing-module_description-author-license.patch

7 years, 3 months

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[Linux-stable-mirror] Patch "media: mtk-vcodec: add missing MODULE_LICENSE/DESCRIPTION" has been added to the 4.15-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled media: mtk-vcodec: add missing MODULE_LICENSE/DESCRIPTION to the 4.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: media-mtk-vcodec-add-missing-module_license-description.patch and it can be found in the queue-4.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From ccbc1e3876d5476fc23429690a683294ef0f755b Mon Sep 17 00:00:00 2001 From: Jesse Chan <jc(a)linux.com> Date: Mon, 20 Nov 2017 02:47:54 -0500 Subject: media: mtk-vcodec: add missing MODULE_LICENSE/DESCRIPTION From: Jesse Chan <jc(a)linux.com> commit ccbc1e3876d5476fc23429690a683294ef0f755b upstream. This change resolves a new compile-time warning when built as a loadable module: WARNING: modpost: missing MODULE_LICENSE() in drivers/media/platform/mtk-vcodec/mtk-vcodec-common.o see include/linux/module.h for more information This adds the license as "GPL v2", which matches the header of the file. MODULE_DESCRIPTION is also added. Signed-off-by: Jesse Chan <jc(a)linux.com> Signed-off-by: Hans Verkuil <hans.verkuil(a)cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab(a)s-opensource.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c @@ -115,3 +115,6 @@ struct mtk_vcodec_ctx *mtk_vcodec_get_cu return ctx; } EXPORT_SYMBOL(mtk_vcodec_get_curr_ctx); + +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("Mediatek video codec driver"); Patches currently in stable-queue which might be from jc(a)linux.com are queue-4.15/media-soc_camera-soc_scale_crop-add-missing-module_description-author-license.patch queue-4.15/media-mtk-vcodec-add-missing-module_license-description.patch queue-4.15/media-tegra-cec-add-missing-module_description-author-license.patch

7 years, 3 months

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[Linux-stable-mirror] Patch "gpio: uniphier: fix mismatch between license text and MODULE_LICENSE" has been added to the 4.15-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled gpio: uniphier: fix mismatch between license text and MODULE_LICENSE to the 4.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: gpio-uniphier-fix-mismatch-between-license-text-and-module_license.patch and it can be found in the queue-4.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From 13f9d59cef91a027bb338fc79b564fafa7680cd8 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada <yamada.masahiro(a)socionext.com> Date: Thu, 23 Nov 2017 19:01:49 +0900 Subject: gpio: uniphier: fix mismatch between license text and MODULE_LICENSE From: Masahiro Yamada <yamada.masahiro(a)socionext.com> commit 13f9d59cef91a027bb338fc79b564fafa7680cd8 upstream. The comment block of this file indicates GPL-2.0 "only", while the MODULE_LICENSE is GPL-2.0 "or later", as include/linux/module.h describes as follows: "GPL" [GNU Public License v2 or later] "GPL v2" [GNU Public License v2] I am the author of this driver, and my intention is GPL-2.0 "only". Fixes: dbe776c2ca54 ("gpio: uniphier: add UniPhier GPIO controller driver") Signed-off-by: Masahiro Yamada <yamada.masahiro(a)socionext.com> Signed-off-by: Linus Walleij <linus.walleij(a)linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/gpio/gpio-uniphier.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpio/gpio-uniphier.c +++ b/drivers/gpio/gpio-uniphier.c @@ -505,4 +505,4 @@ module_platform_driver(uniphier_gpio_dri MODULE_AUTHOR("Masahiro Yamada <yamada.masahiro(a)socionext.com>"); MODULE_DESCRIPTION("UniPhier GPIO driver"); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); Patches currently in stable-queue which might be from yamada.masahiro(a)socionext.com are queue-4.15/gpio-uniphier-fix-mismatch-between-license-text-and-module_license.patch

7 years, 3 months

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[Linux-stable-mirror] Patch "media: soc_camera: soc_scale_crop: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled media: soc_camera: soc_scale_crop: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: media-soc_camera-soc_scale_crop-add-missing-module_description-author-license.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From 5331aec1bf9c9da557668174e0a4bfcee39f1121 Mon Sep 17 00:00:00 2001 From: Jesse Chan <jc(a)linux.com> Date: Mon, 20 Nov 2017 15:56:28 -0500 Subject: media: soc_camera: soc_scale_crop: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE From: Jesse Chan <jc(a)linux.com> commit 5331aec1bf9c9da557668174e0a4bfcee39f1121 upstream. This change resolves a new compile-time warning when built as a loadable module: WARNING: modpost: missing MODULE_LICENSE() in drivers/media/platform/soc_camera/soc_scale_crop.o see include/linux/module.h for more information This adds the license as "GPL", which matches the header of the file. MODULE_DESCRIPTION and MODULE_AUTHOR are also added. Signed-off-by: Jesse Chan <jc(a)linux.com> Signed-off-by: Hans Verkuil <hans.verkuil(a)cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab(a)s-opensource.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/media/platform/soc_camera/soc_scale_crop.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/media/platform/soc_camera/soc_scale_crop.c +++ b/drivers/media/platform/soc_camera/soc_scale_crop.c @@ -419,3 +419,7 @@ void soc_camera_calc_client_output(struc mf->height = soc_camera_shift_scale(rect->height, shift, scale_v); } EXPORT_SYMBOL(soc_camera_calc_client_output); + +MODULE_DESCRIPTION("soc-camera scaling-cropping functions"); +MODULE_AUTHOR("Guennadi Liakhovetski <kernel(a)pengutronix.de>"); +MODULE_LICENSE("GPL"); Patches currently in stable-queue which might be from jc(a)linux.com are queue-4.14/media-soc_camera-soc_scale_crop-add-missing-module_description-author-license.patch queue-4.14/media-mtk-vcodec-add-missing-module_license-description.patch

7 years, 3 months

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[Linux-stable-mirror] Patch "media: mtk-vcodec: add missing MODULE_LICENSE/DESCRIPTION" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled media: mtk-vcodec: add missing MODULE_LICENSE/DESCRIPTION to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: media-mtk-vcodec-add-missing-module_license-description.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From ccbc1e3876d5476fc23429690a683294ef0f755b Mon Sep 17 00:00:00 2001 From: Jesse Chan <jc(a)linux.com> Date: Mon, 20 Nov 2017 02:47:54 -0500 Subject: media: mtk-vcodec: add missing MODULE_LICENSE/DESCRIPTION From: Jesse Chan <jc(a)linux.com> commit ccbc1e3876d5476fc23429690a683294ef0f755b upstream. This change resolves a new compile-time warning when built as a loadable module: WARNING: modpost: missing MODULE_LICENSE() in drivers/media/platform/mtk-vcodec/mtk-vcodec-common.o see include/linux/module.h for more information This adds the license as "GPL v2", which matches the header of the file. MODULE_DESCRIPTION is also added. Signed-off-by: Jesse Chan <jc(a)linux.com> Signed-off-by: Hans Verkuil <hans.verkuil(a)cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab(a)s-opensource.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c @@ -115,3 +115,6 @@ struct mtk_vcodec_ctx *mtk_vcodec_get_cu return ctx; } EXPORT_SYMBOL(mtk_vcodec_get_curr_ctx); + +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("Mediatek video codec driver"); Patches currently in stable-queue which might be from jc(a)linux.com are queue-4.14/media-soc_camera-soc_scale_crop-add-missing-module_description-author-license.patch queue-4.14/media-mtk-vcodec-add-missing-module_license-description.patch

7 years, 3 months

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[Linux-stable-mirror] Patch "ARM: exynos_defconfig: Enable options to mount a rootfs via NFS" has been added to the 3.18-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled ARM: exynos_defconfig: Enable options to mount a rootfs via NFS to the 3.18-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: arm-exynos_defconfig-enable-options-to-mount-a-rootfs-via-nfs.patch and it can be found in the queue-3.18 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From 19f79ccf6d77409cd138bce8db206cdac7fd5ea7 Mon Sep 17 00:00:00 2001 From: Javier Martinez Canillas <javier.martinez(a)collabora.co.uk> Date: Fri, 27 Mar 2015 01:50:16 +0900 Subject: ARM: exynos_defconfig: Enable options to mount a rootfs via NFS From: Javier Martinez Canillas <javier.martinez(a)collabora.co.uk> commit 19f79ccf6d77409cd138bce8db206cdac7fd5ea7 upstream. This patch enables the options to mount a rootfs over NFS and also support for automatic configuration of IP addresses during boot as needed by NFS. Signed-off-by: Javier Martinez Canillas <javier.martinez(a)collabora.co.uk> Signed-off-by: Kukjin Kim <kgene(a)kernel.org> Signed-off-by: Guillaume Tucker <guillaume.tucker(a)collabora.com> Reviewed-by: Krzysztof Kozlowski <krzk(a)kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- arch/arm/configs/exynos_defconfig | 6 ++++++ 1 file changed, 6 insertions(+) --- a/arch/arm/configs/exynos_defconfig +++ b/arch/arm/configs/exynos_defconfig @@ -33,6 +33,10 @@ CONFIG_PACKET=y CONFIG_UNIX=y CONFIG_NET_KEY=y CONFIG_INET=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_IP_PNP_BOOTP=y +CONFIG_IP_PNP_RARP=y CONFIG_RFKILL_REGULATOR=y CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" CONFIG_DEVTMPFS=y @@ -170,6 +174,8 @@ CONFIG_TMPFS=y CONFIG_TMPFS_POSIX_ACL=y CONFIG_CRAMFS=y CONFIG_ROMFS_FS=y +CONFIG_NFS_FS=y +CONFIG_ROOT_NFS=y CONFIG_NLS_CODEPAGE_437=y CONFIG_NLS_ASCII=y CONFIG_NLS_ISO8859_1=y Patches currently in stable-queue which might be from javier.martinez(a)collabora.co.uk are queue-3.18/arm-exynos_defconfig-enable-options-to-mount-a-rootfs-via-nfs.patch

7 years, 3 months

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[Linux-stable-mirror] Patch "KEYS: encrypted: fix buffer overread in valid_master_desc()" has been added to the 3.18-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled KEYS: encrypted: fix buffer overread in valid_master_desc() to the 3.18-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: keys-encrypted-fix-buffer-overread-in-valid_master_desc.patch and it can be found in the queue-3.18 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From 794b4bc292f5d31739d89c0202c54e7dc9bc3add Mon Sep 17 00:00:00 2001 From: Eric Biggers <ebiggers(a)google.com> Date: Thu, 8 Jun 2017 14:48:18 +0100 Subject: KEYS: encrypted: fix buffer overread in valid_master_desc() From: Eric Biggers <ebiggers(a)google.com> commit 794b4bc292f5d31739d89c0202c54e7dc9bc3add upstream. With the 'encrypted' key type it was possible for userspace to provide a data blob ending with a master key description shorter than expected, e.g. 'keyctl add encrypted desc "new x" @s'. When validating such a master key description, validate_master_desc() could read beyond the end of the buffer. Fix this by using strncmp() instead of memcmp(). [Also clean up the code to deduplicate some logic.] Cc: Mimi Zohar <zohar(a)linux.vnet.ibm.com> Signed-off-by: Eric Biggers <ebiggers(a)google.com> Signed-off-by: David Howells <dhowells(a)redhat.com> Signed-off-by: James Morris <james.l.morris(a)oracle.com> Signed-off-by: Jin Qian <jinqian(a)google.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- security/keys/encrypted-keys/encrypted.c | 31 +++++++++++++++---------------- 1 file changed, 15 insertions(+), 16 deletions(-) --- a/security/keys/encrypted-keys/encrypted.c +++ b/security/keys/encrypted-keys/encrypted.c @@ -141,23 +141,22 @@ static int valid_ecryptfs_desc(const cha */ static int valid_master_desc(const char *new_desc, const char *orig_desc) { - if (!memcmp(new_desc, KEY_TRUSTED_PREFIX, KEY_TRUSTED_PREFIX_LEN)) { - if (strlen(new_desc) == KEY_TRUSTED_PREFIX_LEN) - goto out; - if (orig_desc) - if (memcmp(new_desc, orig_desc, KEY_TRUSTED_PREFIX_LEN)) - goto out; - } else if (!memcmp(new_desc, KEY_USER_PREFIX, KEY_USER_PREFIX_LEN)) { - if (strlen(new_desc) == KEY_USER_PREFIX_LEN) - goto out; - if (orig_desc) - if (memcmp(new_desc, orig_desc, KEY_USER_PREFIX_LEN)) - goto out; - } else - goto out; + int prefix_len; + + if (!strncmp(new_desc, KEY_TRUSTED_PREFIX, KEY_TRUSTED_PREFIX_LEN)) + prefix_len = KEY_TRUSTED_PREFIX_LEN; + else if (!strncmp(new_desc, KEY_USER_PREFIX, KEY_USER_PREFIX_LEN)) + prefix_len = KEY_USER_PREFIX_LEN; + else + return -EINVAL; + + if (!new_desc[prefix_len]) + return -EINVAL; + + if (orig_desc && strncmp(new_desc, orig_desc, prefix_len)) + return -EINVAL; + return 0; -out: - return -EINVAL; } /* Patches currently in stable-queue which might be from ebiggers(a)google.com are queue-3.18/keys-encrypted-fix-buffer-overread-in-valid_master_desc.patch

7 years, 3 months

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[Linux-stable-mirror] Patch "ARM: exynos_defconfig: Enable NFSv4 client" has been added to the 3.18-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled ARM: exynos_defconfig: Enable NFSv4 client to the 3.18-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: arm-exynos_defconfig-enable-nfsv4-client.patch and it can be found in the queue-3.18 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From 1c1fb9b0c89a2506e556114c813a606bc1508d49 Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski <k.kozlowski(a)samsung.com> Date: Wed, 25 Nov 2015 13:09:43 +0900 Subject: ARM: exynos_defconfig: Enable NFSv4 client From: Krzysztof Kozlowski <k.kozlowski(a)samsung.com> commit 1c1fb9b0c89a2506e556114c813a606bc1508d49 upstream. NFS client is already enabled (NFS_FS) and by default it enables clients for version 2 and 3. Enable explicitly the version 4 client to utilize the newer protocol. The NFS client is especially useful for testing kernel in automated environments (network boot with network file system). Signed-off-by: Krzysztof Kozlowski <k.kozlowski(a)samsung.com> Reviewed-by: Javier Martinez Canillas <javier(a)osg.samsung.com> Signed-off-by: Guillaume Tucker <guillaume.tucker(a)collabora.com> Reviewed-by: Krzysztof Kozlowski <krzk(a)kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- arch/arm/configs/exynos_defconfig | 1 + 1 file changed, 1 insertion(+) --- a/arch/arm/configs/exynos_defconfig +++ b/arch/arm/configs/exynos_defconfig @@ -175,6 +175,7 @@ CONFIG_TMPFS_POSIX_ACL=y CONFIG_CRAMFS=y CONFIG_ROMFS_FS=y CONFIG_NFS_FS=y +CONFIG_NFS_V4=y CONFIG_ROOT_NFS=y CONFIG_NLS_CODEPAGE_437=y CONFIG_NLS_ASCII=y Patches currently in stable-queue which might be from k.kozlowski(a)samsung.com are queue-3.18/arm-exynos_defconfig-enable-nfsv4-client.patch

7 years, 3 months

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[Linux-stable-mirror] [PATCHv2 1/1] ext4/f2fs: don't put symlink in pagecache into highmem

by Jin Qian

From: Jin Qian <jinqian(a)google.com> partial backport from 21fc61c73c3903c4c312d0802da01ec2b323d174 upstream to v4.4 to prevent virt_to_page on highmem. ext4_encrypted_follow_link uses kmap() for cpage caddr = kmap(cpage); _ext4_fname_disk_to_usr calls virt_to_page on the kmapped address. _ext4_fname_disk_to_usr() ext4_fname_decrypt() sg_init_one() sg_init_one(&src_sg, iname->name, iname->len); sg_set_page(sg, virt_to_page(buf), buflen, offset_in_page(buf)); Cc: linux-stable <stable(a)vger.kernel.org> # 4.4.y Signed-off-by: Al Viro <viro(a)zeniv.linux.org.uk> Signed-off-by: Jin Qian <jinqian(a)google.com> Signed-off-by: Jin Qian <jinqian(a)android.com> --- fs/ext4/inode.c | 1 + fs/ext4/namei.c | 1 + fs/ext4/symlink.c | 10 +++------- fs/f2fs/inode.c | 1 + fs/f2fs/namei.c | 5 ++--- fs/inode.c | 6 ++++++ include/linux/fs.h | 1 + 7 files changed, 15 insertions(+), 10 deletions(-) diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 4df1cb19a243..f0cabc8c96cb 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -4417,6 +4417,7 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino) inode->i_op = &ext4_symlink_inode_operations; ext4_set_aops(inode); } + inode_nohighmem(inode); } else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) || S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) { inode->i_op = &ext4_special_inode_operations; diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 4c36dca486cc..32960b3ecd4f 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -3151,6 +3151,7 @@ static int ext4_symlink(struct inode *dir, if ((disk_link.len > EXT4_N_BLOCKS * 4)) { if (!encryption_required) inode->i_op = &ext4_symlink_inode_operations; + inode_nohighmem(inode); ext4_set_aops(inode); /* * We cannot call page_symlink() with transaction started diff --git a/fs/ext4/symlink.c b/fs/ext4/symlink.c index e8e7af62ac95..287c3980fa0b 100644 --- a/fs/ext4/symlink.c +++ b/fs/ext4/symlink.c @@ -45,7 +45,7 @@ static const char *ext4_encrypted_follow_link(struct dentry *dentry, void **cook cpage = read_mapping_page(inode->i_mapping, 0, NULL); if (IS_ERR(cpage)) return ERR_CAST(cpage); - caddr = kmap(cpage); + caddr = page_address(cpage); caddr[size] = 0; } @@ -75,16 +75,12 @@ static const char *ext4_encrypted_follow_link(struct dentry *dentry, void **cook /* Null-terminate the name */ if (res <= plen) paddr[res] = '\0'; - if (cpage) { - kunmap(cpage); + if (cpage) page_cache_release(cpage); - } return *cookie = paddr; errout: - if (cpage) { - kunmap(cpage); + if (cpage) page_cache_release(cpage); - } kfree(paddr); return ERR_PTR(res); } diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c index 97e20decacb4..5528801a5baf 100644 --- a/fs/f2fs/inode.c +++ b/fs/f2fs/inode.c @@ -202,6 +202,7 @@ make_now: inode->i_op = &f2fs_encrypted_symlink_inode_operations; else inode->i_op = &f2fs_symlink_inode_operations; + inode_nohighmem(inode); inode->i_mapping->a_ops = &f2fs_dblock_aops; } else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) || S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) { diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c index 2c32110f9fc0..484df6850747 100644 --- a/fs/f2fs/namei.c +++ b/fs/f2fs/namei.c @@ -351,6 +351,7 @@ static int f2fs_symlink(struct inode *dir, struct dentry *dentry, inode->i_op = &f2fs_encrypted_symlink_inode_operations; else inode->i_op = &f2fs_symlink_inode_operations; + inode_nohighmem(inode); inode->i_mapping->a_ops = &f2fs_dblock_aops; f2fs_lock_op(sbi); @@ -942,7 +943,7 @@ static const char *f2fs_encrypted_follow_link(struct dentry *dentry, void **cook cpage = read_mapping_page(inode->i_mapping, 0, NULL); if (IS_ERR(cpage)) return ERR_CAST(cpage); - caddr = kmap(cpage); + caddr = page_address(cpage); caddr[size] = 0; /* Symlink is encrypted */ @@ -982,13 +983,11 @@ static const char *f2fs_encrypted_follow_link(struct dentry *dentry, void **cook /* Null-terminate the name */ paddr[res] = '\0'; - kunmap(cpage); page_cache_release(cpage); return *cookie = paddr; errout: kfree(cstr.name); f2fs_fname_crypto_free_buffer(&pstr); - kunmap(cpage); page_cache_release(cpage); return ERR_PTR(res); } diff --git a/fs/inode.c b/fs/inode.c index b0edef500590..b95615f3fc50 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -2028,3 +2028,9 @@ void inode_set_flags(struct inode *inode, unsigned int flags, new_flags) != old_flags)); } EXPORT_SYMBOL(inode_set_flags); + +void inode_nohighmem(struct inode *inode) +{ + mapping_set_gfp_mask(inode->i_mapping, GFP_USER); +} +EXPORT_SYMBOL(inode_nohighmem); diff --git a/include/linux/fs.h b/include/linux/fs.h index c8decb7075d6..f746a59fcc88 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -3066,5 +3066,6 @@ static inline bool dir_relax(struct inode *inode) } extern bool path_noexec(const struct path *path); +extern void inode_nohighmem(struct inode *inode); #endif /* _LINUX_FS_H */ -- 2.16.0.rc1.238.g530d649a79-goog

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