This is a note to let you know that I've just added the patch titled
i2c: i2c-boardinfo: fix memory leaks on devinfo
to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: i2c-i2c-boardinfo-fix-memory-leaks-on-devinfo.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@vger.kernel.org know about it.
From foo@baz Thu Feb 1 13:45:42 CET 2018
From: Colin Ian King colin.king@canonical.com Date: Wed, 22 Nov 2017 17:52:24 +0000 Subject: i2c: i2c-boardinfo: fix memory leaks on devinfo
From: Colin Ian King colin.king@canonical.com
[ Upstream commit 66a7c84d677e8e4a5a2ef4afdb9bd52e1399a866 ]
Currently when an error occurs devinfo is still allocated but is unused when the error exit paths break out of the for-loop. Fix this by kfree'ing devinfo to avoid the leak.
Detected by CoverityScan, CID#1416590 ("Resource Leak")
Fixes: 4124c4eba402 ("i2c: allow attaching IRQ resources to i2c_board_info") Fixes: 0daaf99d8424 ("i2c: copy device properties when using i2c_register_board_info()") Signed-off-by: Colin Ian King colin.king@canonical.com Signed-off-by: Wolfram Sang wsa@the-dreams.de Signed-off-by: Sasha Levin alexander.levin@verizon.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/i2c/i2c-boardinfo.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/i2c/i2c-boardinfo.c +++ b/drivers/i2c/i2c-boardinfo.c @@ -86,6 +86,7 @@ int i2c_register_board_info(int busnum, property_entries_dup(info->properties); if (IS_ERR(devinfo->board_info.properties)) { status = PTR_ERR(devinfo->board_info.properties); + kfree(devinfo); break; } } @@ -98,6 +99,7 @@ int i2c_register_board_info(int busnum, GFP_KERNEL); if (!devinfo->board_info.resources) { status = -ENOMEM; + kfree(devinfo); break; } }
Patches currently in stable-queue which might be from colin.king@canonical.com are
queue-4.14/i2c-i2c-boardinfo-fix-memory-leaks-on-devinfo.patch queue-4.14/usb-gadget-don-t-dereference-g-until-after-it-has-been-null-checked.patch