From ed4d0a4ea11e19863952ac6a7cea3bbb27ccd452 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 4 Apr 2019 18:56:10 +0200 Subject: [PATCH] md: add a missing endianness conversion in check_sb_changes The on-disk value is little endian and we need to convert it to native endian before storing the value in the in-core structure. Fixes: 7564beda19b36 ("md-cluster/raid10: support add disk under grow mode") Cc: # 4.20+ Acked-by: Guoqing Jiang Signed-off-by: Christoph Hellwig Signed-off-by: Song Liu --- drivers/md/md.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index 664b77ceaf2d..a15eb7e37c6d 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -9227,7 +9227,7 @@ static void check_sb_changes(struct mddev *mddev, struct md_rdev *rdev) * reshape is happening in the remote node, we need to * update reshape_position and call start_reshape. */ - mddev->reshape_position = sb->reshape_position; + mddev->reshape_position = le64_to_cpu(sb->reshape_position); if (mddev->pers->update_reshape_pos) mddev->pers->update_reshape_pos(mddev); if (mddev->pers->start_reshape)