test_bit returns bool, so we can just compare the result of that to the
key->gc value without the "!!".
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
                        return 1;
                if (!nfsd_match_cred(nf->nf_cred, key->cred))
                        return 1;
-               if (!!test_bit(NFSD_FILE_GC, &nf->nf_flags) != key->gc)
+               if (test_bit(NFSD_FILE_GC, &nf->nf_flags) != key->gc)
                        return 1;
                if (test_bit(NFSD_FILE_HASHED, &nf->nf_flags) == 0)
                        return 1;