capabilities: invert logic for clarity

The way the logic was presented, it was awkward to read and verify.
Invert the logic using DeMorgan's Law to be more easily able to read and
understand.
Signed-off-by: NRichard Guy Briggs <rgb@redhat.com>
Reviewed-by: NSerge Hallyn <serge@hallyn.com>
Acked-by: NJames Morris <james.l.morris@oracle.com>
Acked-by: NKees Cook <keescook@chromium.org>
Okay-ished-by: NPaul Moore <paul@paul-moore.com>
Signed-off-by: NJames Morris <james.l.morris@oracle.com>

security/commoncap.c

@@ -782,10 +782,10 @@ static inline bool nonroot_raised_pE(struct cred *cred, kuid_t root)
 	bool ret = false;
 
 	if (__cap_grew(effective, ambient, cred) &&
-	    (!__cap_full(effective, cred) ||
-	     !__is_eff(root, cred) ||
-	     !__is_real(root, cred) ||
-	     !root_privileged()))
+	    !(__cap_full(effective, cred) &&
+	      __is_eff(root, cred) &&
+	      __is_real(root, cred) &&
+	      root_privileged()))
 		ret = true;
 	return ret;
 }