Commit 75cdf416 authored by Linus Torvalds's avatar Linus Torvalds
Browse files
Pull sound fixes from Takashi Iwai:

 - 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

* tag 'sound-5.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: usb-audio: Fix gpf in snd_usb_pipe_sanity_check
  ALSA: pcm: fix lost wakeup event scenarios in snd_pcm_drain
  ALSA: hda: Fix 1-minute detection delay when i915 module is not available
parents f26dbb23 5d78e1c2
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+2 −1
Original line number Diff line number Diff line
@@ -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);
+6 −4
Original line number Diff line number Diff line
@@ -136,11 +136,13 @@ int snd_hdac_i915_init(struct hdac_bus *bus)
	if (!acomp)
		return -ENODEV;
	if (!acomp->ops) {
		request_module("i915");
		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");
		snd_hdac_acomp_exit(bus);
+1 −1
Original line number Diff line number Diff line
@@ -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;
}