This fixes a wrong check for same cr_principal in same_creds
Introduced by 
8fbba96e5b327665265ad02b7f331b68536828bf "nfsd4: stricter
cred comparison for setclientid/exchange_id".
Cc: stable@vger.kernel.org
Signed-off-by: Vivek Trivedi <vtrivedi018@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
 
        return true;
 }
 
-static int
+static bool
 same_creds(struct svc_cred *cr1, struct svc_cred *cr2)
 {
        if ((cr1->cr_flavor != cr2->cr_flavor)
                return true;
        if (!cr1->cr_principal || !cr2->cr_principal)
                return false;
-       return 0 == strcmp(cr1->cr_principal, cr1->cr_principal);
+       return 0 == strcmp(cr1->cr_principal, cr2->cr_principal);
 }
 
 static void gen_clid(struct nfs4_client *clp)