From: luo penghao <luo.penghao@zte.com.cn>
Date: Wed, 8 Dec 2021 07:51:57 +0000 (+0000)
Subject: ext4: remove redundant o_start statement
X-Git-Tag: v6.6.17~8228^2~18
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a6dbc76c4d9cc961bfb31a495fb27ee06e037e35;p=platform%2Fkernel%2Flinux-rpi.git

ext4: remove redundant o_start statement

The if will goto out of the loop, and until the end of the
function execution, o_start will not be used again.

The clang_analyzer complains as follows:

fs/ext4/move_extent.c:635:5 warning:

Value stored to 'o_start' is never read

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: luo penghao <luo.penghao@zte.com.cn>
Link: https://lore.kernel.org/r/20211208075157.404535-1-luo.penghao@zte.com.cn
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---

diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index 64a579734f93..95aa212f0863 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -632,7 +632,6 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp, __u64 orig_blk,
 		/* Check hole before the start pos */
 		if (cur_blk + cur_len - 1 < o_start) {
 			if (next_blk == EXT_MAX_BLOCKS) {
-				o_start = o_end;
 				ret = -ENODATA;
 				goto out;
 			}