fs/btrfs/ioctl.c:3872:7: error: case label does not reduce to an integer constant

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-next.git master
head:   c1014be59ba93855c31fda9d9cf4319cc6f9eeb1
commit: dffe58193fa354392bc1f03d38b882f122cef85b Btrfs: add support for device replace ioctls
date:   10 hours ago
config: make ARCH=mips allyesconfig

All error/warnings:

fs/btrfs/ioctl.c: In function 'btrfs_ioctl':
fs/btrfs/ioctl.c:3872:7: error: case label does not reduce to an integer constant

vim +3872 fs/btrfs/ioctl.c

5d13a37b Arne Jansen       2011-09-14  3866  	case BTRFS_IOC_QGROUP_ASSIGN:
5d13a37b Arne Jansen       2011-09-14  3867  		return btrfs_ioctl_qgroup_assign(root, argp);
5d13a37b Arne Jansen       2011-09-14  3868  	case BTRFS_IOC_QGROUP_CREATE:
5d13a37b Arne Jansen       2011-09-14  3869  		return btrfs_ioctl_qgroup_create(root, argp);
5d13a37b Arne Jansen       2011-09-14  3870  	case BTRFS_IOC_QGROUP_LIMIT:
5d13a37b Arne Jansen       2011-09-14  3871  		return btrfs_ioctl_qgroup_limit(root, argp);
dffe5819 Stefan Behrens    2012-11-06 @3872  	case BTRFS_IOC_DEV_REPLACE:
dffe5819 Stefan Behrens    2012-11-06  3873  		return btrfs_ioctl_dev_replace(root, argp);
f46b5a66 Christoph Hellwig 2008-06-11  3874  	}
f46b5a66 Christoph Hellwig 2008-06-11  3875  

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0-DAY kernel build testing backend         Open Source Technology Center
Fengguang Wu, Yuanhan Liu                              Intel Corporation