From cdb4c5748cb3ac533889a6b0b95aa10651e68785 Mon Sep 17 00:00:00 2001 From: Zach Brown Date: Wed, 20 Feb 2013 00:55:13 +0000 Subject: btrfs: define BTRFS_MAGIC as a u64 value super.magic is an le64 but it's treated as an unterminated string when compared against BTRFS_MAGIC which is defined as a string. Instead define BTRFS_MAGIC as a normal hex value and use endian helpers to compare it to the super's magic. I tested this by mounting an fs made before the change and made sure that it didn't introduce sparse errors. This matches a similar cleanup that is pending in btrfs-progs. David Sterba pointed out that we should fix the kernel side as well :). Signed-off-by: Zach Brown Signed-off-by: Josef Bacik --- fs/btrfs/check-integrity.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'fs/btrfs/check-integrity.c') diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c index 11d47bfb62b4..18af6f48781a 100644 --- a/fs/btrfs/check-integrity.c +++ b/fs/btrfs/check-integrity.c @@ -813,8 +813,7 @@ static int btrfsic_process_superblock_dev_mirror( (bh->b_data + (dev_bytenr & 4095)); if (btrfs_super_bytenr(super_tmp) != dev_bytenr || - strncmp((char *)(&(super_tmp->magic)), BTRFS_MAGIC, - sizeof(super_tmp->magic)) || + super_tmp->magic != cpu_to_le64(BTRFS_MAGIC) || memcmp(device->uuid, super_tmp->dev_item.uuid, BTRFS_UUID_SIZE) || btrfs_super_nodesize(super_tmp) != state->metablock_size || btrfs_super_leafsize(super_tmp) != state->metablock_size || -- cgit v1.2.3