The patch below does not apply to the 5.10-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable(a)vger.kernel.org>.
To reproduce the conflict and resubmit, you may use the following commands:
git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.10.y
git checkout FETCH_HEAD
git cherry-pick -x c8222ef6cf29dd7cad21643228f96535cc02b327
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025041734-nebulizer-isolating-0ccb@gregkh' --subject-prefix 'PATCH 5.10.y' HEAD^..
Possible dependencies:
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From c8222ef6cf29dd7cad21643228f96535cc02b327 Mon Sep 17 00:00:00 2001
From: Chenyuan Yang <chenyuan0y(a)gmail.com>
Date: Wed, 12 Feb 2025 15:35:18 -0600
Subject: [PATCH] soc: samsung: exynos-chipid: Add NULL pointer check in
exynos_chipid_probe()
soc_dev_attr->revision could be NULL, thus,
a pointer check is added to prevent potential NULL pointer dereference.
This is similar to the fix in commit 3027e7b15b02
("ice: Fix some null pointer dereference issues in ice_ptp.c").
This issue is found by our static analysis tool.
Signed-off-by: Chenyuan Yang <chenyuan0y(a)gmail.com>
Link: https://lore.kernel.org/r/20250212213518.69432-1-chenyuan0y@gmail.com
Fixes: 3253b7b7cd44 ("soc: samsung: Add exynos chipid driver support")
Cc: <stable(a)vger.kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski(a)linaro.org>
diff --git a/drivers/soc/samsung/exynos-chipid.c b/drivers/soc/samsung/exynos-chipid.c
index e37dde1fb588..95294462ff21 100644
--- a/drivers/soc/samsung/exynos-chipid.c
+++ b/drivers/soc/samsung/exynos-chipid.c
@@ -134,6 +134,8 @@ static int exynos_chipid_probe(struct platform_device *pdev)
soc_dev_attr->revision = devm_kasprintf(&pdev->dev, GFP_KERNEL,
"%x", soc_info.revision);
+ if (!soc_dev_attr->revision)
+ return -ENOMEM;
soc_dev_attr->soc_id = product_id_to_soc_id(soc_info.product_id);
if (!soc_dev_attr->soc_id) {
pr_err("Unknown SoC\n");
The patch below does not apply to the 6.1-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable(a)vger.kernel.org>.
To reproduce the conflict and resubmit, you may use the following commands:
git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.1.y
git checkout FETCH_HEAD
git cherry-pick -x 3d4a4411aa8bbc3653ff22a1ff0432eb93d22ae0
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025041708-persevere-tripod-4354@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^..
Possible dependencies:
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 3d4a4411aa8bbc3653ff22a1ff0432eb93d22ae0 Mon Sep 17 00:00:00 2001
From: Srinivas Kandagatla <srinivas.kandagatla(a)linaro.org>
Date: Fri, 14 Mar 2025 17:47:56 +0000
Subject: [PATCH] ASoC: q6apm-dai: schedule all available frames to avoid dsp
under-runs
With the existing code, we are only setting up one period at a time, in a
ping-pong buffer style. This triggers lot of underruns in the dsp
leading to jitter noise during audio playback.
Fix this by scheduling all available periods, this will ensure that the dsp
has enough buffer feed and ultimatley fixing the underruns and audio
distortion.
Fixes: 9b4fe0f1cd79 ("ASoC: qdsp6: audioreach: add q6apm-dai support")
Cc: stable(a)vger.kernel.org
Reported-by: Krzysztof Kozlowski <krzysztof.kozlowski(a)linaro.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla(a)linaro.org>
Tested-by: Krzysztof Kozlowski <krzysztof.kozlowski(a)linaro.org>
Tested-by: Johan Hovold <johan+linaro(a)kernel.org>
Link: https://patch.msgid.link/20250314174800.10142-2-srinivas.kandagatla@linaro.…
Signed-off-by: Mark Brown <broonie(a)kernel.org>
diff --git a/sound/soc/qcom/qdsp6/q6apm-dai.c b/sound/soc/qcom/qdsp6/q6apm-dai.c
index c9404b5934c7..9d8e8e37c6de 100644
--- a/sound/soc/qcom/qdsp6/q6apm-dai.c
+++ b/sound/soc/qcom/qdsp6/q6apm-dai.c
@@ -70,6 +70,7 @@ struct q6apm_dai_rtd {
unsigned int bytes_received;
unsigned int copied_total;
uint16_t bits_per_sample;
+ snd_pcm_uframes_t queue_ptr;
bool next_track;
enum stream_state state;
struct q6apm_graph *graph;
@@ -134,8 +135,6 @@ static void event_handler(uint32_t opcode, uint32_t token, void *payload, void *
prtd->pos += prtd->pcm_count;
spin_unlock_irqrestore(&prtd->lock, flags);
snd_pcm_period_elapsed(substream);
- if (prtd->state == Q6APM_STREAM_RUNNING)
- q6apm_write_async(prtd->graph, prtd->pcm_count, 0, 0, 0);
break;
case APM_CLIENT_EVENT_DATA_READ_DONE:
@@ -294,6 +293,27 @@ static int q6apm_dai_prepare(struct snd_soc_component *component,
return 0;
}
+static int q6apm_dai_ack(struct snd_soc_component *component, struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct q6apm_dai_rtd *prtd = runtime->private_data;
+ int i, ret = 0, avail_periods;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ avail_periods = (runtime->control->appl_ptr - prtd->queue_ptr)/runtime->period_size;
+ for (i = 0; i < avail_periods; i++) {
+ ret = q6apm_write_async(prtd->graph, prtd->pcm_count, 0, 0, NO_TIMESTAMP);
+ if (ret < 0) {
+ dev_err(component->dev, "Error queuing playback buffer %d\n", ret);
+ return ret;
+ }
+ prtd->queue_ptr += runtime->period_size;
+ }
+ }
+
+ return ret;
+}
+
static int q6apm_dai_trigger(struct snd_soc_component *component,
struct snd_pcm_substream *substream, int cmd)
{
@@ -305,9 +325,6 @@ static int q6apm_dai_trigger(struct snd_soc_component *component,
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- /* start writing buffers for playback only as we already queued capture buffers */
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- ret = q6apm_write_async(prtd->graph, prtd->pcm_count, 0, 0, 0);
break;
case SNDRV_PCM_TRIGGER_STOP:
/* TODO support be handled via SoftPause Module */
@@ -836,6 +853,7 @@ static const struct snd_soc_component_driver q6apm_fe_dai_component = {
.hw_params = q6apm_dai_hw_params,
.pointer = q6apm_dai_pointer,
.trigger = q6apm_dai_trigger,
+ .ack = q6apm_dai_ack,
.compress_ops = &q6apm_dai_compress_ops,
.use_dai_pcm_id = true,
};
The patch below does not apply to the 6.6-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable(a)vger.kernel.org>.
To reproduce the conflict and resubmit, you may use the following commands:
git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.6.y
git checkout FETCH_HEAD
git cherry-pick -x 3d4a4411aa8bbc3653ff22a1ff0432eb93d22ae0
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025041708-circus-pesky-fec9@gregkh' --subject-prefix 'PATCH 6.6.y' HEAD^..
Possible dependencies:
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 3d4a4411aa8bbc3653ff22a1ff0432eb93d22ae0 Mon Sep 17 00:00:00 2001
From: Srinivas Kandagatla <srinivas.kandagatla(a)linaro.org>
Date: Fri, 14 Mar 2025 17:47:56 +0000
Subject: [PATCH] ASoC: q6apm-dai: schedule all available frames to avoid dsp
under-runs
With the existing code, we are only setting up one period at a time, in a
ping-pong buffer style. This triggers lot of underruns in the dsp
leading to jitter noise during audio playback.
Fix this by scheduling all available periods, this will ensure that the dsp
has enough buffer feed and ultimatley fixing the underruns and audio
distortion.
Fixes: 9b4fe0f1cd79 ("ASoC: qdsp6: audioreach: add q6apm-dai support")
Cc: stable(a)vger.kernel.org
Reported-by: Krzysztof Kozlowski <krzysztof.kozlowski(a)linaro.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla(a)linaro.org>
Tested-by: Krzysztof Kozlowski <krzysztof.kozlowski(a)linaro.org>
Tested-by: Johan Hovold <johan+linaro(a)kernel.org>
Link: https://patch.msgid.link/20250314174800.10142-2-srinivas.kandagatla@linaro.…
Signed-off-by: Mark Brown <broonie(a)kernel.org>
diff --git a/sound/soc/qcom/qdsp6/q6apm-dai.c b/sound/soc/qcom/qdsp6/q6apm-dai.c
index c9404b5934c7..9d8e8e37c6de 100644
--- a/sound/soc/qcom/qdsp6/q6apm-dai.c
+++ b/sound/soc/qcom/qdsp6/q6apm-dai.c
@@ -70,6 +70,7 @@ struct q6apm_dai_rtd {
unsigned int bytes_received;
unsigned int copied_total;
uint16_t bits_per_sample;
+ snd_pcm_uframes_t queue_ptr;
bool next_track;
enum stream_state state;
struct q6apm_graph *graph;
@@ -134,8 +135,6 @@ static void event_handler(uint32_t opcode, uint32_t token, void *payload, void *
prtd->pos += prtd->pcm_count;
spin_unlock_irqrestore(&prtd->lock, flags);
snd_pcm_period_elapsed(substream);
- if (prtd->state == Q6APM_STREAM_RUNNING)
- q6apm_write_async(prtd->graph, prtd->pcm_count, 0, 0, 0);
break;
case APM_CLIENT_EVENT_DATA_READ_DONE:
@@ -294,6 +293,27 @@ static int q6apm_dai_prepare(struct snd_soc_component *component,
return 0;
}
+static int q6apm_dai_ack(struct snd_soc_component *component, struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct q6apm_dai_rtd *prtd = runtime->private_data;
+ int i, ret = 0, avail_periods;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ avail_periods = (runtime->control->appl_ptr - prtd->queue_ptr)/runtime->period_size;
+ for (i = 0; i < avail_periods; i++) {
+ ret = q6apm_write_async(prtd->graph, prtd->pcm_count, 0, 0, NO_TIMESTAMP);
+ if (ret < 0) {
+ dev_err(component->dev, "Error queuing playback buffer %d\n", ret);
+ return ret;
+ }
+ prtd->queue_ptr += runtime->period_size;
+ }
+ }
+
+ return ret;
+}
+
static int q6apm_dai_trigger(struct snd_soc_component *component,
struct snd_pcm_substream *substream, int cmd)
{
@@ -305,9 +325,6 @@ static int q6apm_dai_trigger(struct snd_soc_component *component,
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- /* start writing buffers for playback only as we already queued capture buffers */
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- ret = q6apm_write_async(prtd->graph, prtd->pcm_count, 0, 0, 0);
break;
case SNDRV_PCM_TRIGGER_STOP:
/* TODO support be handled via SoftPause Module */
@@ -836,6 +853,7 @@ static const struct snd_soc_component_driver q6apm_fe_dai_component = {
.hw_params = q6apm_dai_hw_params,
.pointer = q6apm_dai_pointer,
.trigger = q6apm_dai_trigger,
+ .ack = q6apm_dai_ack,
.compress_ops = &q6apm_dai_compress_ops,
.use_dai_pcm_id = true,
};
The patch below does not apply to the 6.14-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable(a)vger.kernel.org>.
To reproduce the conflict and resubmit, you may use the following commands:
git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.14.y
git checkout FETCH_HEAD
git cherry-pick -x ab6005f3912fff07330297aba08922d2456dcede
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025041712-twine-constrict-d32d@gregkh' --subject-prefix 'PATCH 6.14.y' HEAD^..
Possible dependencies:
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From ab6005f3912fff07330297aba08922d2456dcede Mon Sep 17 00:00:00 2001
From: Pavel Begunkov <asml.silence(a)gmail.com>
Date: Fri, 4 Apr 2025 15:46:34 +0100
Subject: [PATCH] io_uring: don't post tag CQEs on file/buffer registration
failure
Buffer / file table registration is all or nothing, if it fails all
resources we might have partially registered are dropped and the table
is killed. If that happens, it doesn't make sense to post any rsrc tag
CQEs. That would be confusing to the application, which should not need
to handle that case.
Cc: stable(a)vger.kernel.org
Signed-off-by: Pavel Begunkov <asml.silence(a)gmail.com>
Fixes: 7029acd8a9503 ("io_uring/rsrc: get rid of per-ring io_rsrc_node list")
Link: https://lore.kernel.org/r/c514446a8dcb0197cddd5d4ba8f6511da081cf1f.17437779…
Signed-off-by: Jens Axboe <axboe(a)kernel.dk>
diff --git a/io_uring/rsrc.c b/io_uring/rsrc.c
index 5e64a8bb30a4..b36c8825550e 100644
--- a/io_uring/rsrc.c
+++ b/io_uring/rsrc.c
@@ -175,6 +175,18 @@ void io_rsrc_cache_free(struct io_ring_ctx *ctx)
io_alloc_cache_free(&ctx->imu_cache, kfree);
}
+static void io_clear_table_tags(struct io_rsrc_data *data)
+{
+ int i;
+
+ for (i = 0; i < data->nr; i++) {
+ struct io_rsrc_node *node = data->nodes[i];
+
+ if (node)
+ node->tag = 0;
+ }
+}
+
__cold void io_rsrc_data_free(struct io_ring_ctx *ctx,
struct io_rsrc_data *data)
{
@@ -583,6 +595,7 @@ int io_sqe_files_register(struct io_ring_ctx *ctx, void __user *arg,
io_file_table_set_alloc_range(ctx, 0, ctx->file_table.data.nr);
return 0;
fail:
+ io_clear_table_tags(&ctx->file_table.data);
io_sqe_files_unregister(ctx);
return ret;
}
@@ -902,8 +915,10 @@ int io_sqe_buffers_register(struct io_ring_ctx *ctx, void __user *arg,
}
ctx->buf_table = data;
- if (ret)
+ if (ret) {
+ io_clear_table_tags(&ctx->buf_table);
io_sqe_buffers_unregister(ctx);
+ }
return ret;
}
The patch below does not apply to the 6.1-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable(a)vger.kernel.org>.
To reproduce the conflict and resubmit, you may use the following commands:
git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.1.y
git checkout FETCH_HEAD
git cherry-pick -x f6a89bf5278d6e15016a736db67043560d1b50d5
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025041712-science-poster-b5b0@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^..
Possible dependencies:
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From f6a89bf5278d6e15016a736db67043560d1b50d5 Mon Sep 17 00:00:00 2001
From: Pavel Begunkov <asml.silence(a)gmail.com>
Date: Sun, 23 Feb 2025 17:22:29 +0000
Subject: [PATCH] io_uring/net: fix accept multishot handling
REQ_F_APOLL_MULTISHOT doesn't guarantee it's executed from the multishot
context, so a multishot accept may get executed inline, fail
io_req_post_cqe(), and ask the core code to kill the request with
-ECANCELED by returning IOU_STOP_MULTISHOT even when a socket has been
accepted and installed.
Cc: stable(a)vger.kernel.org
Fixes: 390ed29b5e425 ("io_uring: add IORING_ACCEPT_MULTISHOT for accept")
Signed-off-by: Pavel Begunkov <asml.silence(a)gmail.com>
Link: https://lore.kernel.org/r/51c6deb01feaa78b08565ca8f24843c017f5bc80.17403310…
Signed-off-by: Jens Axboe <axboe(a)kernel.dk>
diff --git a/io_uring/net.c b/io_uring/net.c
index 1d1107fd5beb..926cdb8d3350 100644
--- a/io_uring/net.c
+++ b/io_uring/net.c
@@ -1641,6 +1641,8 @@ int io_accept(struct io_kiocb *req, unsigned int issue_flags)
}
io_req_set_res(req, ret, cflags);
+ if (!(issue_flags & IO_URING_F_MULTISHOT))
+ return IOU_OK;
return IOU_STOP_MULTISHOT;
}