iw_cxgb4: Fix error return code in c4iw_rdev_open()
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>
diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c
index 93e3d27..b99dc9e 100644
--- a/drivers/infiniband/hw/cxgb4/device.c
+++ b/drivers/infiniband/hw/cxgb4/device.c
@@ -828,8 +828,10 @@
}
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;