[alsa-devel] [PATCH 2/3] ALSA: info - Remove BKL

Takashi Iwai tiwai at suse.de
Wed Apr 14 10:14:21 CEST 2010


Use the fine-grained mutex for the assigned info object, instead.

Signed-off-by: Takashi Iwai <tiwai at suse.de>
---
 sound/core/info.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/core/info.c b/sound/core/info.c
index d749a0d..fe83661 100644
--- a/sound/core/info.c
+++ b/sound/core/info.c
@@ -167,7 +167,7 @@ static loff_t snd_info_entry_llseek(struct file *file, loff_t offset, int orig)
 
 	data = file->private_data;
 	entry = data->entry;
-	lock_kernel();
+	mutex_lock(&entry->access);
 	switch (entry->content) {
 	case SNDRV_INFO_CONTENT_TEXT:
 		switch (orig) {
@@ -196,7 +196,7 @@ static loff_t snd_info_entry_llseek(struct file *file, loff_t offset, int orig)
 	}
 	ret = -ENXIO;
 out:
-	unlock_kernel();
+	mutex_unlock(&entry->access);
 	return ret;
 }
 
-- 
1.7.0.4



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