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Subject[GIT PULL] sound fixes for 5.3-rc3
Linus,

please pull sound fixes for v5.3-rc3 from:

git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git tags/sound-5.3-rc3

The topmost commit is 5d78e1c2b7f4be00bbe62141603a631dc7812f35

----------------------------------------------------------------

sound fixes for 5.3-rc3

- A further fix for syzcaller issues with USB-audio, addressing
NULL dereference that was introduced by the recent fix
- Avoid a long delay at boot with HD-audio when i915 module was
built but not installed, found on some Debian systems
- A fix of small race window at PCM draining

----------------------------------------------------------------

Hillf Danton (1):
ALSA: usb-audio: Fix gpf in snd_usb_pipe_sanity_check

Samuel Thibault (1):
ALSA: hda: Fix 1-minute detection delay when i915 module is not available

Yuki Tsunashima (1):
ALSA: pcm: fix lost wakeup event scenarios in snd_pcm_drain

---
sound/core/pcm_native.c | 3 ++-
sound/hda/hdac_i915.c | 10 ++++++----
sound/usb/helper.c | 2 +-
3 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 12dd9b318db1..703857aab00f 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -1873,6 +1873,7 @@ static int snd_pcm_drain(struct snd_pcm_substream *substream,
if (!to_check)
break; /* all drained */
init_waitqueue_entry(&wait, current);
+ set_current_state(TASK_INTERRUPTIBLE);
add_wait_queue(&to_check->sleep, &wait);
snd_pcm_stream_unlock_irq(substream);
if (runtime->no_period_wakeup)
@@ -1885,7 +1886,7 @@ static int snd_pcm_drain(struct snd_pcm_substream *substream,
}
tout = msecs_to_jiffies(tout * 1000);
}
- tout = schedule_timeout_interruptible(tout);
+ tout = schedule_timeout(tout);

snd_pcm_stream_lock_irq(substream);
group = snd_pcm_stream_group_ref(substream);
diff --git a/sound/hda/hdac_i915.c b/sound/hda/hdac_i915.c
index 1192c7561d62..3c2db3816029 100644
--- a/sound/hda/hdac_i915.c
+++ b/sound/hda/hdac_i915.c
@@ -136,10 +136,12 @@ int snd_hdac_i915_init(struct hdac_bus *bus)
if (!acomp)
return -ENODEV;
if (!acomp->ops) {
- request_module("i915");
- /* 60s timeout */
- wait_for_completion_timeout(&bind_complete,
- msecs_to_jiffies(60 * 1000));
+ if (!IS_ENABLED(CONFIG_MODULES) ||
+ !request_module("i915")) {
+ /* 60s timeout */
+ wait_for_completion_timeout(&bind_complete,
+ msecs_to_jiffies(60 * 1000));
+ }
}
if (!acomp->ops) {
dev_info(bus->dev, "couldn't bind with audio component\n");
diff --git a/sound/usb/helper.c b/sound/usb/helper.c
index 71d5f540334a..4c12cc5b53fd 100644
--- a/sound/usb/helper.c
+++ b/sound/usb/helper.c
@@ -72,7 +72,7 @@ int snd_usb_pipe_sanity_check(struct usb_device *dev, unsigned int pipe)
struct usb_host_endpoint *ep;

ep = usb_pipe_endpoint(dev, pipe);
- if (usb_pipetype(pipe) != pipetypes[usb_endpoint_type(&ep->desc)])
+ if (!ep || usb_pipetype(pipe) != pipetypes[usb_endpoint_type(&ep->desc)])
return -EINVAL;
return 0;
}
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