From 2db9f0a35a4e4ad7cee756a4e0dabb7c1c8b6c72 Mon Sep 17 00:00:00 2001 From: Jonathan Corbet Date: Mon, 23 Jun 2008 17:40:43 -0600 Subject: [PATCH] snd/PCM: fasync BKL pushdown Chances are this is unneeded, but the code is twisty enough that it is hard to tell. Signed-off-by: Jonathan Corbet --- sound/core/pcm_native.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 61f5d425b6..c49b9d9e30 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -22,6 +22,7 @@ #include #include #include +#include #include #include #include @@ -3249,14 +3250,17 @@ static int snd_pcm_fasync(int fd, struct file * file, int on) struct snd_pcm_file * pcm_file; struct snd_pcm_substream *substream; struct snd_pcm_runtime *runtime; - int err; + int err = -ENXIO; + lock_kernel(); pcm_file = file->private_data; substream = pcm_file->substream; - snd_assert(substream != NULL, return -ENXIO); + snd_assert(substream != NULL, goto out); runtime = substream->runtime; err = fasync_helper(fd, file, on, &runtime->fasync); +out: + unlock_kernel(); if (err < 0) return err; return 0; -- 2.39.5