Commit 53804280 authored Mar 01, 2012 by Jeff Mahoney Committed by David Sterba Mar 22, 2012

btrfs: avoid NULL deref in btrfs_reserve_extent with DEBUG_ENOSPC



 __find_space_info can return NULL but we don't check it before calling
 dump_space_info().

Signed-off-by: Jeff Mahoney <jeffm@suse.com>

parent d5c13f92

fs/btrfs/extent-tree.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -5838,6 +5838,7 @@ int btrfs_reserve_extent(struct btrfs_trans_handle *trans,
		printk(KERN_ERR "btrfs allocation failed flags %llu, "
		"wanted %llu\n", (unsigned long long)data,
		(unsigned long long)num_bytes);
		if (sinfo)
		dump_space_info(sinfo, num_bytes, 1);
		}
		}