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authorYe Bin <yebin10@huawei.com>2021-04-06 05:53:31 +0300
committerTheodore Ts'o <tytso@mit.edu>2021-04-10 03:58:30 +0300
commit6810fad956df9e5467e8e8a5ac66fda0836c71fa (patch)
treec944921031972df5ffdf52f7fc3dc5795f59b9cb
parentf88f1466e2a2e5ca17dfada436d3efa1b03a3972 (diff)
downloadlinux-6810fad956df9e5467e8e8a5ac66fda0836c71fa.tar.xz
ext4: fix ext4_error_err save negative errno into superblock
Fix As write_mmp_block() so that it returns -EIO instead of 1, so that the correct error gets saved into the superblock. Cc: stable@kernel.org Fixes: 54d3adbc29f0 ("ext4: save all error info in save_error_info() and drop ext4_set_errno()") Reported-by: Liu Zhi Qiang <liuzhiqiang26@huawei.com> Signed-off-by: Ye Bin <yebin10@huawei.com> Reviewed-by: Andreas Dilger <adilger@dilger.ca> Link: https://lore.kernel.org/r/20210406025331.148343-1-yebin10@huawei.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>
-rw-r--r--fs/ext4/mmp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext4/mmp.c b/fs/ext4/mmp.c
index 795c3ff2907c..68fbeedd627b 100644
--- a/fs/ext4/mmp.c
+++ b/fs/ext4/mmp.c
@@ -56,7 +56,7 @@ static int write_mmp_block(struct super_block *sb, struct buffer_head *bh)
wait_on_buffer(bh);
sb_end_write(sb);
if (unlikely(!buffer_uptodate(bh)))
- return 1;
+ return -EIO;
return 0;
}