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iw_cxgb4: Fix error return code in c4iw_rdev_open()

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commit 15f7e3c21b 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: 05eb23893c ("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>
This commit is contained in:
Wei Yongjun
2016-09-17 00:41:37 +00:00
committed by Greg Kroah-Hartman
parent aa3ee06a2a
commit 4b07d85374
1 changed files with 3 additions and 1 deletions
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4
drivers/infiniband/hw/cxgb4/device.c
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@@ -828,8 +828,10 @@ static int c4iw_rdev_open(struct c4iw_rdev *rdev)
}
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;