1 files changed, 5 insertions, 3 deletions

diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index 54828ebcf1ba..e9a42c711a9e 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -1275,7 +1275,7 @@ static ssize_t ufs_quota_write(struct super_block *sb, int type,
         size_t towrite = len;
         struct buffer_head *bh;
 
-        down(&inode->i_sem);
+        mutex_lock(&inode->i_mutex);
         while (towrite > 0) {
                 tocopy = sb->s_blocksize - offset < towrite ?
                                 sb->s_blocksize - offset : towrite;
@@ -1296,14 +1296,16 @@ static ssize_t ufs_quota_write(struct super_block *sb, int type,
                 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++;
         inode->i_mtime = inode->i_ctime = CURRENT_TIME_SEC;
         mark_inode_dirty(inode);
-        up(&inode->i_sem);
+        mutex_unlock(&inode->i_mutex);
         return len - towrite;
 }