From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:41514 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751402AbdJEJQZ (ORCPT ); Thu, 5 Oct 2017 05:16:25 -0400 Subject: Patch "IB/qib: fix false-postive maybe-uninitialized warning" has been added to the 3.18-stable tree To: arnd@arndb.de, dledford@redhat.com, gregkh@linuxfoundation.org, ira.weiny@intel.com Cc: , From: Date: Thu, 05 Oct 2017 11:16:23 +0200 Message-ID: <15071949839577@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 IB/qib: fix false-postive maybe-uninitialized warning to the 3.18-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: ib-qib-fix-false-postive-maybe-uninitialized-warning.patch and it can be found in the queue-3.18 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From f6aafac184a3e46e919769dd4faa8bf0dc436534 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Tue, 14 Mar 2017 13:18:45 +0100 Subject: IB/qib: fix false-postive maybe-uninitialized warning From: Arnd Bergmann commit f6aafac184a3e46e919769dd4faa8bf0dc436534 upstream. aarch64-linux-gcc-7 complains about code it doesn't fully understand: drivers/infiniband/hw/qib/qib_iba7322.c: In function 'qib_7322_txchk_change': include/asm-generic/bitops/non-atomic.h:105:35: error: 'shadow' may be used uninitialized in this function [-Werror=maybe-uninitialized] The code is right, and despite trying hard, I could not come up with a version that I liked better than just adding a fake initialization here to shut up the warning. Fixes: f931551bafe1 ("IB/qib: Add new qib driver for QLogic PCIe InfiniBand adapters") Signed-off-by: Arnd Bergmann Acked-by: Ira Weiny Signed-off-by: Doug Ledford Signed-off-by: Greg Kroah-Hartman --- drivers/infiniband/hw/qib/qib_iba7322.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/infiniband/hw/qib/qib_iba7322.c +++ b/drivers/infiniband/hw/qib/qib_iba7322.c @@ -7078,7 +7078,7 @@ static void qib_7322_txchk_change(struct unsigned long flags; while (wait) { - unsigned long shadow; + unsigned long shadow = 0; int cstart, previ = -1; /* Patches currently in stable-queue which might be from arnd@arndb.de are queue-3.18/ttpci-address-stringop-overflow-warning.patch queue-3.18/ib-qib-fix-false-postive-maybe-uninitialized-warning.patch queue-3.18/alsa-au88x0-avoid-theoretical-uninitialized-access.patch