From: Henry Orosco <henry.orosco@intel.com>
Date: Fri, 23 Jun 2017 21:04:01 +0000 (-0500)
Subject: i40iw: Update list correctly
X-Git-Url: http://git.rot13.org/?a=commitdiff_plain;h=c709d7f229a273c7c5664e9dfe5432b031842d0c;p=linux

i40iw: Update list correctly

To avoid infinite loop, in i40iw_ieq_handle_exception, update
plist inside while loop.

Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
---

diff --git a/drivers/infiniband/hw/i40iw/i40iw_puda.c b/drivers/infiniband/hw/i40iw/i40iw_puda.c
index 1bb16814560f..71050c5d29a0 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_puda.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_puda.c
@@ -1414,10 +1414,10 @@ static void i40iw_ieq_handle_exception(struct i40iw_puda_rsrc *ieq,
 
 	if (!list_empty(rxlist)) {
 		tmpbuf = (struct i40iw_puda_buf *)rxlist->next;
-		plist = &tmpbuf->list;
 		while ((struct list_head *)tmpbuf != rxlist) {
 			if ((int)(buf->seqnum - tmpbuf->seqnum) < 0)
 				break;
+			plist = &tmpbuf->list;
 			tmpbuf = (struct i40iw_puda_buf *)plist->next;
 		}
 		/* Insert buf before tmpbuf */