From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:53090 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751658AbdK1J1u (ORCPT ); Tue, 28 Nov 2017 04:27:50 -0500 Subject: Patch "e1000e: Fix error path in link detection" has been added to the 4.14-stable tree To: bpoirier@suse.com, aaron.f.brown@intel.com, amit.pundir@linaro.org, gregkh@linuxfoundation.org, jeffrey.t.kirsher@intel.com Cc: , From: Date: Tue, 28 Nov 2017 10:27:50 +0100 Message-ID: <15118612703382@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 e1000e: Fix error path in link detection to the 4.14-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: e1000e-fix-error-path-in-link-detection.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From c4c40e51f9c32c6dd8adf606624c930a1c4d9bbb Mon Sep 17 00:00:00 2001 From: Benjamin Poirier Date: Fri, 21 Jul 2017 11:36:23 -0700 Subject: e1000e: Fix error path in link detection From: Benjamin Poirier commit c4c40e51f9c32c6dd8adf606624c930a1c4d9bbb upstream. In case of error from e1e_rphy(), the loop will exit early and "success" will be set to true erroneously. Signed-off-by: Benjamin Poirier Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher Signed-off-by: Amit Pundir Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/intel/e1000e/phy.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) --- a/drivers/net/ethernet/intel/e1000e/phy.c +++ b/drivers/net/ethernet/intel/e1000e/phy.c @@ -1744,6 +1744,7 @@ s32 e1000e_phy_has_link_generic(struct e s32 ret_val = 0; u16 i, phy_status; + *success = false; for (i = 0; i < iterations; i++) { /* Some PHYs require the MII_BMSR register to be read * twice due to the link bit being sticky. No harm doing @@ -1763,16 +1764,16 @@ s32 e1000e_phy_has_link_generic(struct e ret_val = e1e_rphy(hw, MII_BMSR, &phy_status); if (ret_val) break; - if (phy_status & BMSR_LSTATUS) + if (phy_status & BMSR_LSTATUS) { + *success = true; break; + } if (usec_interval >= 1000) msleep(usec_interval / 1000); else udelay(usec_interval); } - *success = (i < iterations); - return ret_val; } Patches currently in stable-queue which might be from bpoirier@suse.com are queue-4.14/e1000e-fix-error-path-in-link-detection.patch queue-4.14/e1000e-separate-signaling-for-link-check-link-up.patch queue-4.14/e1000e-fix-return-value-test.patch queue-4.14/e1000e-avoid-receiver-overrun-interrupt-bursts.patch