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Commit f1136989 authored by Dan Carpenter's avatar Dan Carpenter Committed by David Sterba
Browse files

btrfs: fix error pointer check in __btrfs_map_block() 



The btrfs_get_chunk_map() never returns NULL, it returns error pointers.

Fixes: 89b798ad ("btrfs: Use btrfs_get_io_geometry appropriately")
Reviewed-by: default avatarNikolay Borisov <nborisov@suse.com>
Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 3b80a984

fs/btrfs/volumes.c

+1 −1
Original line number Diff line number Diff line
@@ -6023,7 +6023,7 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, 
		return ret;



	em = btrfs_get_chunk_map(fs_info, logical, *length);

	ASSERT(em);

	ASSERT(!IS_ERR(em));

	map = em->map_lookup;



	*length = geom.len;