btrfs: remove check for NULL block reserve at btrfs_block_rsv_check()
authorFilipe Manana <fdmanana@suse.com>
Tue, 21 Mar 2023 11:13:39 +0000 (11:13 +0000)
committerDavid Sterba <dsterba@suse.com>
Mon, 17 Apr 2023 16:01:18 +0000 (18:01 +0200)
commitb93fa4acbb57470d48de381ec4aef3f481b32d67
tree2be9deae005f44de5a143c19f7ce9d41675019e8
parent5c1f2c6bca8b51b38f6263ece354e9c74c2627d3
btrfs: remove check for NULL block reserve at btrfs_block_rsv_check()

The block reserve passed to btrfs_block_rsv_check() is never NULL, so
remove the check. In case it can ever become NULL in the future, then
we'll get a pretty obvious and clear NULL pointer dereference crash and
stack trace.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/block-rsv.c