tree 67d1bd8c5c8f3f7c90a6f24c39832fc0218de07a
parent 41124db869b7e00e12052555f8987867ac01d70c
author Kees Cook <keescook@chromium.org> 1498063986 -0700
committer Al Viro <viro@zeniv.linux.org.uk> 1498781312 -0400

fs: Reorder inode_owner_or_capable() to avoid needless

Checking for capabilities should be the last operation when performing
access control tests so that PF_SUPERPRIV is set only when it was required
for success (implying that the capability was needed for the operation).

Reported-by: Solar Designer <solar@openwall.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Serge Hallyn <serge@hallyn.com>
Reviewed-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>