From: Hariprasad S <hariprasad@chelsio.com>
Date: Tue, 8 Sep 2015 04:26:57 +0000 (+0530)
Subject: iw_cxgb4: detect fatal errors while creating listening filters
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=99718e59fa8425753a8ec2aceb9ec3faa865eeb6;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

iw_cxgb4: detect fatal errors while creating listening filters

In c4iw_create_listen(), if we're using listen filters, then bail out
of the busy loop if the device becomes fatally dead

Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
---

diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index debc39d2cbc2..24efe52f1d68 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -3260,6 +3260,10 @@ static int create_server4(struct c4iw_dev *dev, struct c4iw_listen_ep *ep)
 				sin->sin_addr.s_addr, sin->sin_port, 0,
 				ep->com.dev->rdev.lldi.rxq_ids[0], 0, 0);
 			if (err == -EBUSY) {
+				if (c4iw_fatal_error(&ep->com.dev->rdev)) {
+					err = -EIO;
+					break;
+				}
 				set_current_state(TASK_UNINTERRUPTIBLE);
 				schedule_timeout(usecs_to_jiffies(100));
 			}