f2fs: return errors right after checking them

This patch adds two error conditions early in the setxattr operations.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

1 files changed, 9 insertions, 1 deletions

diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c
index bbe9c2badf5d..6073f9f88416 100644
--- a/fs/f2fs/xattr.c
+++ b/fs/f2fs/xattr.c
@@ -509,8 +509,16 @@ static int __f2fs_setxattr(struct inode *inode, int index,
         here = __find_xattr(base_addr, index, len, name);
 
         found = IS_XATTR_LAST_ENTRY(here) ? 0 : 1;
-        last = here;
 
+        if ((flags & XATTR_REPLACE) && !found) {
+                error = -ENODATA;
+                goto exit;
+        } else if ((flags & XATTR_CREATE) && found) {
+                error = -EEXIST;
+                goto exit;
+        }
+
+        last = here;
         while (!IS_XATTR_LAST_ENTRY(last))
                 last = XATTR_NEXT_ENTRY(last);