'ret' will be overwritten to 0 if erofs_sb_has_sb_chksum() return true,
thus 0 will return in some error handling cases. Fix to return negative
error code -EINVAL instead of 0.
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
---
fs/erofs/super.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/erofs/super.c b/fs/erofs/super.c
index bbf3bbd908e0..22991d22af5a 100644
--- a/fs/erofs/super.c
+++ b/fs/erofs/super.c
@@ -285,6 +285,7 @@ static int erofs_read_superblock(struct super_block *sb)
goto out;
}
+ ret = -EINVAL;
blkszbits = dsb->blkszbits;
/* 9(512 bytes) + LOG_SECTORS_PER_BLOCK == LOG_BLOCK_SIZE */
if (blkszbits != LOG_BLOCK_SIZE) {
