tree 572b5d652fb6a4c2977bfbc1cc26dac8e3f79d89
parent d024206133ce21936b3d5780359afc00247655b7
author David Sterba <dsterba@suse.cz> 1389883822 +0100
committer Chris Mason <clm@fb.com> 1390944041 -0800

btrfs: call permission checks earlier in ioctls and return EPERM

The owner and capability checks in IOC_SUBVOL_SETFLAGS and
SET_RECEIVED_SUBVOL should be called before any other checks are done.

Also unify the error code to EPERM.

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>