From: Xianting Tian <tian.xianting@h3c.com>
Date: Tue, 20 Oct 2020 08:22:01 +0000 (+0800)
Subject: ext4: remove the null check of bio_vec page
X-Git-Tag: v5.15~1977^2~38
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=46bac5352929f75c1ec0c2395b06dcbc0fbaee69;p=platform%2Fkernel%2Flinux-starfive.git

ext4: remove the null check of bio_vec page

bv_page can't be NULL in a valid bio_vec, so we can remove the NULL check,
as we did in other places when calling bio_for_each_segment_all() to go
through all bio_vec of a bio.

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Xianting Tian <tian.xianting@h3c.com>
Link: https://lore.kernel.org/r/20201020082201.34257-1-tian.xianting@h3c.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---

diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index defd2e1..cb135a9 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -111,9 +111,6 @@ static void ext4_finish_bio(struct bio *bio)
 		unsigned under_io = 0;
 		unsigned long flags;
 
-		if (!page)
-			continue;
-
 		if (fscrypt_is_bounce_page(page)) {
 			bounce_page = page;
 			page = fscrypt_pagecache_page(bounce_page);