f2fs: avoid extra ++ while returning from get_node_path

In all the breaking conditions in get_node_path, 'n' is used to
track index in offset[] array, but while breaking out also, in all
paths n++ is done.
So, remove the ++ from breaking paths. Also, avoid
reset of 'level=0' in first case.

Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Amit Sahrawat <a.sahrawat@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

1 files changed, 6 insertions, 7 deletions

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 6006e8e8a5f3..a3cb1ff34f8e 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -320,15 +320,14 @@ static int get_node_path(long block, int offset[4], unsigned int noffset[4])
         noffset[0] = 0;
 
         if (block < direct_index) {
-                offset[n++] = block;
-                level = 0;
+                offset[n] = block;
                 goto got;
         }
         block -= direct_index;
         if (block < direct_blks) {
                 offset[n++] = NODE_DIR1_BLOCK;
                 noffset[n] = 1;
-                offset[n++] = block;
+                offset[n] = block;
                 level = 1;
                 goto got;
         }
@@ -336,7 +335,7 @@ static int get_node_path(long block, int offset[4], unsigned int noffset[4])
         if (block < direct_blks) {
                 offset[n++] = NODE_DIR2_BLOCK;
                 noffset[n] = 2;
-                offset[n++] = block;
+                offset[n] = block;
                 level = 1;
                 goto got;
         }
@@ -346,7 +345,7 @@ static int get_node_path(long block, int offset[4], unsigned int noffset[4])
                 noffset[n] = 3;
                 offset[n++] = block / direct_blks;
                 noffset[n] = 4 + offset[n - 1];
-                offset[n++] = block % direct_blks;
+                offset[n] = block % direct_blks;
                 level = 2;
                 goto got;
         }
@@ -356,7 +355,7 @@ static int get_node_path(long block, int offset[4], unsigned int noffset[4])
                 noffset[n] = 4 + dptrs_per_blk;
                 offset[n++] = block / direct_blks;
                 noffset[n] = 5 + dptrs_per_blk + offset[n - 1];
-                offset[n++] = block % direct_blks;
+                offset[n] = block % direct_blks;
                 level = 2;
                 goto got;
         }
@@ -371,7 +370,7 @@ static int get_node_path(long block, int offset[4], unsigned int noffset[4])
                 noffset[n] = 7 + (dptrs_per_blk * 2) +
                               offset[n - 2] * (dptrs_per_blk + 1) +
                               offset[n - 1];
-                offset[n++] = block % direct_blks;
+                offset[n] = block % direct_blks;
                 level = 3;
                 goto got;
         } else {