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authorLinus Torvalds <torvalds@linux-foundation.org>2019-03-30 00:53:33 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2019-03-30 00:53:33 +0300
commit9a4a6f0dc1eaa7b5e4a834b13596faeb0d4b7ac3 (patch)
tree83f1f62365b0d2c9cafb73f401d190145e87e9ee /sound/core/pcm_native.c
parent0e40da3efeb02ab0333d01abae20d421841db30a (diff)
parente2a829b3da01b9b32c4d0291d042b8a6e2a98ca3 (diff)
downloadlinux-9a4a6f0dc1eaa7b5e4a834b13596faeb0d4b7ac3.tar.xz
Merge tag 'sound-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai: "The important fixes at this time are a couple fixes in ALSA core: a fix for PCM is about the OOB access in PCM OSS plugins that has been for long time, but hasn't hit so often until now just because we allocated a large buffer via vmalloc(), and surfaced more often after switching to kvmalloc(). Another fix is for a long-standing PCM problem wrt racy PM resume. Others are trivial nospec coverage and usual HD-audio quirks" * tag 'sound-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda/realtek - Fix speakers on Acer Predator Helios 500 Ryzen laptops ALSA: pcm: Don't suspend stream in unrecoverable PCM state ALSA: hda/ca0132 - Simplify alt firmware loading code ALSA: pcm: Fix possible OOB access in PCM oss plugins ALSA: hda/realtek: Enable headset MIC of ASUS X430UN and X512DK with ALC256 ALSA: hda/realtek: Enable headset mic of ASUS P5440FF with ALC256 ALSA: hda/realtek: Enable ASUS X441MB and X705FD headset MIC with ALC256 ALSA: hda/realtek - Add support for Acer Aspire E5-523G/ES1-432 headset mic ALSA: hda/realtek: Enable headset MIC of Acer Aspire Z24-890 with ALC286 ALSA: seq: oss: Fix Spectre v1 vulnerability ALSA: rawmidi: Fix potential Spectre v1 vulnerability
Diffstat (limited to 'sound/core/pcm_native.c')
-rw-r--r--sound/core/pcm_native.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index f731f904e8cc..1d8452912b14 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -1445,8 +1445,15 @@ static int snd_pcm_pause(struct snd_pcm_substream *substream, int push)
static int snd_pcm_pre_suspend(struct snd_pcm_substream *substream, int state)
{
struct snd_pcm_runtime *runtime = substream->runtime;
- if (runtime->status->state == SNDRV_PCM_STATE_SUSPENDED)
+ switch (runtime->status->state) {
+ case SNDRV_PCM_STATE_SUSPENDED:
return -EBUSY;
+ /* unresumable PCM state; return -EBUSY for skipping suspend */
+ case SNDRV_PCM_STATE_OPEN:
+ case SNDRV_PCM_STATE_SETUP:
+ case SNDRV_PCM_STATE_DISCONNECTED:
+ return -EBUSY;
+ }
runtime->trigger_master = substream;
return 0;
}