From 5f3ab71103eb9554f61b526b0eaa250d4b1aca11 Mon Sep 17 00:00:00 2001 From: Stefan Behrens Date: Wed, 31 Oct 2012 17:56:56 +0100 Subject: Btrfs-progs: fix an off-by-one in write_dev_supers() Fix an off-by-one in write_dev_supers(). Signed-off-by: Stefan Behrens --- disk-io.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'disk-io.c') diff --git a/disk-io.c b/disk-io.c index c4d4631d..0bf73f05 100644 --- a/disk-io.c +++ b/disk-io.c @@ -998,7 +998,7 @@ int write_dev_supers(struct btrfs_root *root, struct btrfs_super_block *sb, for (i = 0; i < BTRFS_SUPER_MIRROR_MAX; i++) { bytenr = btrfs_sb_offset(i); - if (bytenr + BTRFS_SUPER_INFO_SIZE >= device->total_bytes) + if (bytenr + BTRFS_SUPER_INFO_SIZE > device->total_bytes) break; btrfs_set_super_bytenr(sb, bytenr); -- cgit v1.2.3