missing unlock in jfs_quota_write()
We should unlock &inode->i_mutex on the error path. This bug was
in ext2_quota_write(). I sent a patch to them today as well.
Found by smatch (http://repo.or.cz/w/smatch.git). Compile tested.
regards,
dan carpenter
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index 6f21adf..d9b0e92 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -720,8 +720,10 @@
blk++;
}
out:
- if (len == towrite)
+ if (len == towrite) {
+ mutex_unlock(&inode->i_mutex);
return err;
+ }
if (inode->i_size < off+len-towrite)
i_size_write(inode, off+len-towrite);
inode->i_version++;