remove useless tolower in isofs

Remove useless tolower in isofs

Signed-off-by: dave young <hidave.darkstar@gmail.com>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index 15c866f1a1fd..4f5418be0590 100644
--- a/fs/isofs/inode.c
+++ b/fs/isofs/inode.c
@@ -197,7 +197,7 @@ isofs_hashi_common(struct dentry *dentry, struct qstr *qstr, int ms)
         hash = init_name_hash();
         while (len--) {
                 c = tolower(*name++);
-                hash = partial_name_hash(tolower(c), hash);
+                hash = partial_name_hash(c, hash);
         }
         qstr->hash = end_name_hash(hash);