diff options
| author | Ingo Molnar <mingo@kernel.org> | 2019-05-13 21:30:15 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-05-13 21:30:15 +0300 |
| commit | 82045dd85566d87128dcc66277cf1177d9930a4a (patch) | |
| tree | 22fea6311a4866293005a1a44f34310e4007a3c9 /sound/core/init.c | |
| parent | e0478542cfd4d993e38d5f92a3f3ecd238805e96 (diff) | |
| parent | ffa6f55eb6188ee73339cab710fabf30d13110a7 (diff) | |
| download | linux-82045dd85566d87128dcc66277cf1177d9930a4a.tar.xz | |
Merge branch 'linus' into core/urgent, to merge in dependent changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'sound/core/init.c')
| -rw-r--r-- | sound/core/init.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/sound/core/init.c b/sound/core/init.c index 0c4dc40376a7..079c12d64b0e 100644 --- a/sound/core/init.c +++ b/sound/core/init.c @@ -382,14 +382,7 @@ int snd_card_disconnect(struct snd_card *card) card->shutdown = 1; spin_unlock(&card->files_lock); - /* phase 1: disable fops (user space) operations for ALSA API */ - mutex_lock(&snd_card_mutex); - snd_cards[card->number] = NULL; - clear_bit(card->number, snd_cards_lock); - mutex_unlock(&snd_card_mutex); - - /* phase 2: replace file->f_op with special dummy operations */ - + /* replace file->f_op with special dummy operations */ spin_lock(&card->files_lock); list_for_each_entry(mfile, &card->files_list, list) { /* it's critical part, use endless loop */ @@ -405,7 +398,7 @@ int snd_card_disconnect(struct snd_card *card) } spin_unlock(&card->files_lock); - /* phase 3: notify all connected devices about disconnection */ + /* notify all connected devices about disconnection */ /* at this point, they cannot respond to any calls except release() */ #if IS_ENABLED(CONFIG_SND_MIXER_OSS) @@ -421,6 +414,13 @@ int snd_card_disconnect(struct snd_card *card) device_del(&card->card_dev); card->registered = false; } + + /* disable fops (user space) operations for ALSA API */ + mutex_lock(&snd_card_mutex); + snd_cards[card->number] = NULL; + clear_bit(card->number, snd_cards_lock); + mutex_unlock(&snd_card_mutex); + #ifdef CONFIG_PM wake_up(&card->power_sleep); #endif |