ext4: remove unneeded variable in ext4_xattr_check_block()

We could return directly from ext4_xattr_check_block(). Thus, we
shouldn't need to define a 'error' variable.

Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index 93a00d8..1bff752 100644 (file)
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -158,13 +158,10 @@ ext4_xattr_check_names(struct ext4_xattr_entry *entry, void *end)
 static inline int
 ext4_xattr_check_block(struct buffer_head *bh)
 {
-       int error;
-
        if (BHDR(bh)->h_magic != cpu_to_le32(EXT4_XATTR_MAGIC) ||
            BHDR(bh)->h_blocks != cpu_to_le32(1))
                return -EIO;
-       error = ext4_xattr_check_names(BFIRST(bh), bh->b_data + bh->b_size);
-       return error;
+       return ext4_xattr_check_names(BFIRST(bh), bh->b_data + bh->b_size);
 }
 
 static inline int