Patch "iw_cxgb4: Fix error return code in c4iw_rdev_open()" has been added to the 4.9-stable tree

Patch "iw_cxgb4: Fix error return code in c4iw_rdev_open()" has been added to the 4.9-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    iw_cxgb4: Fix error return code in c4iw_rdev_open()

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:
     iw_cxgb4-fix-error-return-code-in-c4iw_rdev_open.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@vger.kernel.org> know about it.


>From 15f7e3c21b76598bc6e5816d2577ce843b2b963f Mon Sep 17 00:00:00 2001
From: Wei Yongjun <weiyongjun1@huawei.com>
Date: Sat, 17 Sep 2016 00:41:37 +0000
Subject: iw_cxgb4: Fix error return code in c4iw_rdev_open()

From: Wei Yongjun <weiyongjun1@huawei.com>

commit 15f7e3c21b76598bc6e5816d2577ce843b2b963f upstream.

Fix to return error code -ENOMEM from the __get_free_page() error
handling case instead of 0, as done elsewhere in this function.

Fixes: 05eb23893c2c ("cxgb4/iw_cxgb4: Doorbell Drop Avoidance Bug Fixes")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/infiniband/hw/cxgb4/device.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/infiniband/hw/cxgb4/device.c
+++ b/drivers/infiniband/hw/cxgb4/device.c
@@ -828,8 +828,10 @@ static int c4iw_rdev_open(struct c4iw_rd
 	}
 	rdev->status_page = (struct t4_dev_status_page *)
 			    __get_free_page(GFP_KERNEL);
-	if (!rdev->status_page)
+	if (!rdev->status_page) {
+		err = -ENOMEM;
 		goto destroy_ocqp_pool;
+	}
 	rdev->status_page->qp_start = rdev->lldi.vr->qp.start;
 	rdev->status_page->qp_size = rdev->lldi.vr->qp.size;
 	rdev->status_page->cq_start = rdev->lldi.vr->cq.start;


Patches currently in stable-queue which might be from weiyongjun1@huawei.com are

queue-4.9/nfs-fix-typo-in-parameter-description.patch
queue-4.9/remoteproc-st-fix-error-return-code-in-st_rproc_probe.patch
queue-4.9/iw_cxgb4-fix-error-return-code-in-c4iw_rdev_open.patch