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 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: ib-qib-fix-false-postive-maybe-uninitialized-warning.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 <stable@xxxxxxxxxxxxxxx> know about it. >From f6aafac184a3e46e919769dd4faa8bf0dc436534 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann <arnd@xxxxxxxx> Date: Tue, 14 Mar 2017 13:18:45 +0100 Subject: IB/qib: fix false-postive maybe-uninitialized warning From: Arnd Bergmann <arnd@xxxxxxxx> 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 <arnd@xxxxxxxx> Acked-by: Ira Weiny <ira.weiny@xxxxxxxxx> Signed-off-by: Doug Ledford <dledford@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 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 @@ -7080,7 +7080,7 @@ 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@xxxxxxxx are queue-4.9/arm-remove-duplicate-const-annotations.patch queue-4.9/ttpci-address-stringop-overflow-warning.patch queue-4.9/ib-qib-fix-false-postive-maybe-uninitialized-warning.patch queue-4.9/asoc-rt5514-fix-gcc-7-warning.patch queue-4.9/mips-lantiq-fix-another-request_mem_region-return-code-check.patch queue-4.9/alsa-au88x0-avoid-theoretical-uninitialized-access.patch queue-4.9/asoc-rt5659-drop-double-const.patch