selinux: clean up selinux_inode_permission MAY_NOT_BLOCK tests

Through a somewhat convoluted series of changes, we have ended up
with multiple unnecessary occurrences of (flags & MAY_NOT_BLOCK)
tests in selinux_inode_permission().  Clean it up and simplify.
No functional change.

Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Paul Moore <paul@paul-moore.com>
1 file changed