ext4: fix build warning

Replace `if' with `goto' to assure gcc that ix has been initialized.

Signed-off-by: Wu Fengguang <wfg@linux.intel.com>

1 files changed, 4 insertions, 7 deletions

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 59401d057c69..0917be51f102 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -1160,15 +1160,13 @@ ext4_ext_search_right(struct inode *inode, struct ext4_ext_path *path,
         while (--depth >= 0) {
                 ix = path[depth].p_idx;
                 if (ix != EXT_LAST_INDEX(path[depth].p_hdr))
-                        break;
+                        goto got_index;
         }
 
-        if (depth < 0) {
-                /* we've gone up to the root and
-                 * found no index to the right */
-                return 0;
-        }
+        /* we've gone up to the root and found no index to the right */
+        return 0;
 
+got_index:
         /* we've found index to the right, let's
          * follow it and find the closest allocated
          * block to the right */
@@ -1201,7 +1199,6 @@ ext4_ext_search_right(struct inode *inode, struct ext4_ext_path *path,
         *phys = ext_pblock(ex);
         put_bh(bh);
         return 0;
-
 }
 
 /*