From: Santosh Nayak <santoshprasadnayak@xxxxxxxxx>
There is a missing "up_write()" here. Semaphore should be released
before returning.
Signed-off-by: Santosh Nayak <santoshprasadnayak@xxxxxxxxx>
---
Destination tree "linux-next"
fs/namespace.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/fs/namespace.c b/fs/namespace.c
index 8f412ab..d5173df 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1473,8 +1473,10 @@ retry:
}
down_write(&namespace_sem);
mnt = lookup_mnt(path);
- if (likely(!mnt))
+ if (likely(!mnt)) {
+ up_write(&namespace_sem);
return 0;
+ }
up_write(&namespace_sem);
mutex_unlock(&path->dentry->d_inode->i_mutex);
path_put(path);
--
1.7.4.4
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