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Commit cc37bb04 authored by David Sterba's avatar David Sterba Committed by Chris Mason
Browse files

btrfs: replace BUG in can_modify_feature 



We don't need to crash hard here, it's just reading a sysfs file. The
values considered in switch are from a fixed set, the default case
should not happen at all.

Signed-off-by: default avatarDavid Sterba <dsterba@suse.cz>
Signed-off-by: default avatarJosef Bacik <jbacik@fb.com>
Signed-off-by: default avatarChris Mason <clm@fb.com>
parent 43d87fa2

fs/btrfs/sysfs.c

+3 −1
Original line number Diff line number Diff line
@@ -75,7 +75,9 @@ static int can_modify_feature(struct btrfs_feature_attr *fa) 
		clear = BTRFS_FEATURE_INCOMPAT_SAFE_CLEAR;

		break;

	default:

		BUG();

		printk(KERN_WARNING "btrfs: sysfs: unknown feature set %d\n",

				fa->feature_set);

		return 0;

	}



	if (set & fa->feature_bit)