From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:42590 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932464AbdEVQJ7 (ORCPT ); Mon, 22 May 2017 12:09:59 -0400 Subject: Patch "mlx5: Fix mlx5_ib_map_mr_sg mr length" has been added to the 4.9-stable tree To: sagi@grimberg.me, dledford@redhat.com, gregkh@linuxfoundation.org, israelr@mellanox.com Cc: , From: Date: Mon, 22 May 2017 18:08:41 +0200 Message-ID: <1495469321109211@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: This is a note to let you know that I've just added the patch titled mlx5: Fix mlx5_ib_map_mr_sg mr length to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: mlx5-fix-mlx5_ib_map_mr_sg-mr-length.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 0a49f2c31c3efbeb0de3e4b5598764887f629be2 Mon Sep 17 00:00:00 2001 From: Sagi Grimberg Date: Sun, 23 Apr 2017 14:31:42 +0300 Subject: mlx5: Fix mlx5_ib_map_mr_sg mr length From: Sagi Grimberg commit 0a49f2c31c3efbeb0de3e4b5598764887f629be2 upstream. In case we got an initial sg_offset, we need to account for it in the mr length. Fixes: ff2ba9936591 ("IB/core: Add passing an offset into the SG to ib_map_mr_sg") Signed-off-by: Sagi Grimberg Tested-by: Israel Rukshin Signed-off-by: Doug Ledford Signed-off-by: Greg Kroah-Hartman --- drivers/infiniband/hw/mlx5/mr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/infiniband/hw/mlx5/mr.c +++ b/drivers/infiniband/hw/mlx5/mr.c @@ -1828,7 +1828,7 @@ mlx5_ib_sg_to_klms(struct mlx5_ib_mr *mr klms[i].va = cpu_to_be64(sg_dma_address(sg) + sg_offset); klms[i].bcount = cpu_to_be32(sg_dma_len(sg) - sg_offset); klms[i].key = cpu_to_be32(lkey); - mr->ibmr.length += sg_dma_len(sg); + mr->ibmr.length += sg_dma_len(sg) - sg_offset; sg_offset = 0; } Patches currently in stable-queue which might be from sagi@grimberg.me are queue-4.9/mlx5-fix-mlx5_ib_map_mr_sg-mr-length.patch