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 1bb16814560f4d00abd66f66cce38e0620db161f..71050c5d29a05f3f6cb9433aafd7e09fbb5695aa 100644 (file)
--- 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 */