From: Ashish Samant Date: Sat, 30 Apr 2016 01:33:59 +0000 (-0700) Subject: btrfs: Fix BUG_ON condition in scrub_setup_recheck_block() X-Git-Tag: Ubuntu-4.10.0-19.21~3298^2~1^2~3^2~13 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=2473114981a36b4f0f57cf6e9548037d547a71b7;p=mirror_ubuntu-artful-kernel.git btrfs: Fix BUG_ON condition in scrub_setup_recheck_block() pagev array in scrub_block{} is of size SCRUB_MAX_PAGES_PER_BLOCK. page_index should be checked with the same to trigger BUG_ON(). Signed-off-by: Ashish Samant Reviewed-by: David Sterba Signed-off-by: David Sterba --- diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 96d2a0de35a8..d270c700ed31 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -1350,7 +1350,7 @@ static int scrub_setup_recheck_block(struct scrub_block *original_sblock, recover->bbio = bbio; recover->map_length = mapped_length; - BUG_ON(page_index >= SCRUB_PAGES_PER_RD_BIO); + BUG_ON(page_index >= SCRUB_MAX_PAGES_PER_BLOCK); nmirrors = min(scrub_nr_raid_mirrors(bbio), BTRFS_MAX_MIRRORS);