init_oss_soundcore() compares returned value of register_chrdev()
with -1, while other error codes can be returned.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshi...@ispras.ru>
---
sound/sound_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/sound_core.c b/sound/sound_core.c
index 11e953a1fa45..99b73c675743 100644
--- a/sound/sound_core.c
+++ b/sound/sound_core.c
@@ -655,7 +655,7 @@ static void cleanup_oss_soundcore(void)
static int __init init_oss_soundcore(void)
{
if (preclaim_oss &&
- register_chrdev(SOUND_MAJOR, "sound", &soundcore_fops) == -1) {
+ register_chrdev(SOUND_MAJOR, "sound", &soundcore_fops) < 0) {
printk(KERN_ERR "soundcore: sound device already in use.\n");
return -EBUSY;
}
--
1.9.1
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