nfsd: delete unnecessary NULL check in __fh_verify()

In commit 4a0de50a44bb ("nfsd: decouple the xprtsec policy check from
check_nfsd_access()") we added a NULL check on "rqstp" to earlier in
the function.  This check is no longer required so delete it.

Signed-off-by: Dan Carpenter <[email protected]>
Reviewed-by: Scott Mayhew <[email protected]>
Signed-off-by: Chuck Lever <[email protected]>

Author: Dan Carpenter

fs/nfsd/nfsfh.c

@@ -403,9 +403,7 @@ __fh_verify(struct svc_rqst *rqstp,
 	if (error)
 		goto out;
 
-	/* During LOCALIO call to fh_verify will be called with a NULL rqstp */
-	if (rqstp)
-		svc_xprt_set_valid(rqstp->rq_xprt);
+	svc_xprt_set_valid(rqstp->rq_xprt);
 
 check_permissions:
 	/* Finally, check access permissions. */