ext4: remove useless condition in if statement.

In this if statement, the previous condition is useless, the later one
has covered it.

Signed-off-by: Weiyuan <weiyuan.wei@huawei.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Lukas Czerner <lczerner@redhat.com>
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index 99a2cf8..759842f 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -638,8 +638,7 @@
 		free += EXT4_XATTR_LEN(name_len);
 	}
 	if (i->value) {
-		if (free < EXT4_XATTR_SIZE(i->value_len) ||
-		    free < EXT4_XATTR_LEN(name_len) +
+		if (free < EXT4_XATTR_LEN(name_len) +
 			   EXT4_XATTR_SIZE(i->value_len))
 			return -ENOSPC;
 	}