From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S967035AbcKXPcs (ORCPT ); Thu, 24 Nov 2016 10:32:48 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:58310 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966966AbcKXPcl (ORCPT ); Thu, 24 Nov 2016 10:32:41 -0500 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dan Carpenter , Dean Luick , Dennis Dalessandro , Doug Ledford Subject: [PATCH 4.8 62/67] IB/hfi1: Remove incorrect IS_ERR check Date: Thu, 24 Nov 2016 16:27:56 +0100 Message-Id: <20161124145500.484299002@linuxfoundation.org> X-Mailer: git-send-email 2.10.2 In-Reply-To: <20161124145457.061710350@linuxfoundation.org> References: <20161124145457.061710350@linuxfoundation.org> User-Agent: quilt/0.65 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.8-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dennis Dalessandro commit 2b16056f845207967a32497f41cf92b57849f934 upstream. Remove IS_ERR check from caching code as the function being called does not actually return error pointers. Fixes: f19bd643dbde: "IB/hfi1: Prevent NULL pointer deferences in caching code" Reported-by: Dan Carpenter Reviewed-by: Dean Luick Signed-off-by: Dennis Dalessandro Signed-off-by: Doug Ledford Signed-off-by: Greg Kroah-Hartman --- drivers/infiniband/hw/hfi1/user_sdma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/infiniband/hw/hfi1/user_sdma.c +++ b/drivers/infiniband/hw/hfi1/user_sdma.c @@ -1152,7 +1152,7 @@ static int pin_vector_pages(struct user_ rb_node = hfi1_mmu_rb_extract(pq->handler, (unsigned long)iovec->iov.iov_base, iovec->iov.iov_len); - if (rb_node && !IS_ERR(rb_node)) + if (rb_node) node = container_of(rb_node, struct sdma_mmu_node, rb); else rb_node = NULL;