sysfs: release mutex when kmalloc() failed in sysfs_open_file().

Signed-off-by: YOSHIFUJI Hideaki <[email protected]>

--
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index b502c71..1f64ce5 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -283,6 +283,7 @@ static int sysfs_open_file(struct inode *inode, struct file *file)
 	mutex_lock(&inode->i_mutex);
 	if (!(set = inode->i_private)) {
 		if (!(set = inode->i_private = kmalloc(sizeof(struct sysfs_buffer_collection), GFP_KERNEL))) {
+			mutex_unlock(&inode->i_mutex);
 			error = -ENOMEM;
 			goto Done;
 		} else {

-- 
YOSHIFUJI Hideaki @ USAGI Project  <[email protected]>
GPG-FP  : 9022 65EB 1ECF 3AD1 0BDF  80D8 4807 F894 E062 0EEA
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