From c0d1adefe0a3775cc16374dc9ebdfd8504afa14b Mon Sep 17 00:00:00 2001 From: Richard Guy Briggs Date: Wed, 11 Oct 2017 20:57:12 -0400 Subject: 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: Richard Guy Briggs Reviewed-by: Serge Hallyn Acked-by: James Morris Acked-by: Kees Cook Okay-ished-by: Paul Moore Signed-off-by: James Morris --- security/commoncap.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'security/commoncap.c') diff --git a/security/commoncap.c b/security/commoncap.c index eac70e2b400b..0bd94d36e635 100644 --- a/security/commoncap.c +++ b/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; } -- cgit v1.2.3-59-g8ed1b