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capabilities: invert logic for clarity

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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 <rgb@redhat.com>
Reviewed-by: Serge Hallyn <serge@hallyn.com>
Acked-by: James Morris <james.l.morris@oracle.com>
Acked-by: Kees Cook <keescook@chromium.org>
Okay-ished-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
This commit is contained in:
Richard Guy Briggs 2017-10-11 20:57:12 -04:00 committed by James Morris
parent 02ebbaf48c
commit c0d1adefe0
1 changed files with 4 additions and 4 deletions
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8
security/commoncap.c
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@ -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;
}