From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from out3-smtp.messagingengine.com ([66.111.4.27]:49919 "EHLO out3-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751043AbeBBKOX (ORCPT ); Fri, 2 Feb 2018 05:14:23 -0500 Subject: FAILED: patch "[PATCH] staging: ccree: handle end of sg list gracefully" failed to apply to 4.15-stable tree To: gilad@benyossef.com, gregkh@linuxfoundation.org Cc: From: Date: Fri, 02 Feb 2018 11:14:21 +0100 Message-ID: <15175664611395@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: The patch below does not apply to the 4.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >>From 6e92010b012116d10a3750c0406e3da67f274498 Mon Sep 17 00:00:00 2001 From: Gilad Ben-Yossef Date: Sun, 7 Jan 2018 12:14:25 +0000 Subject: [PATCH] staging: ccree: handle end of sg list gracefully If we are asked for number of entries of an offset bigger than the sg list we should not crash. Cc: stable@vger.kernel.org Signed-off-by: Gilad Ben-Yossef Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/ccree/ssi_buffer_mgr.c b/drivers/staging/ccree/ssi_buffer_mgr.c index 78288ed75281..0f7126404a32 100644 --- a/drivers/staging/ccree/ssi_buffer_mgr.c +++ b/drivers/staging/ccree/ssi_buffer_mgr.c @@ -94,7 +94,7 @@ static unsigned int cc_get_sgl_nents(struct device *dev, { unsigned int nents = 0; - while (nbytes) { + while (nbytes && sg_list) { if (sg_list->length) { nents++; /* get the number of bytes in the last entry */