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authorDavid Sterba <dsterba@suse.cz>2013-11-19 13:36:21 +0100
committerChris Mason <clm@fb.com>2014-01-28 13:19:41 -0800
commitcc37bb04201217b7acb11213e16cb5530c30da8f (patch)
treec27e7ecb38db667734de53619ebb00995d41521d
parent43d87fa23154d135a2a1006bc6656ae73ae84190 (diff)
downloadlinux-cc37bb04201217b7acb11213e16cb5530c30da8f.tar.bz2
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: David Sterba <dsterba@suse.cz> Signed-off-by: Josef Bacik <jbacik@fb.com> Signed-off-by: Chris Mason <clm@fb.com>
-rw-r--r--fs/btrfs/sysfs.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index 8fdc0520e298..b535285642dc 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -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)