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-rw-r--r--drivers/scsi/qedf/qedf_fip.c6
-rw-r--r--drivers/scsi/qedf/qedf_main.c28
2 files changed, 28 insertions, 6 deletions
diff --git a/drivers/scsi/qedf/qedf_fip.c b/drivers/scsi/qedf/qedf_fip.c
index 3fd3af799b3d..e669679e6a3b 100644
--- a/drivers/scsi/qedf/qedf_fip.c
+++ b/drivers/scsi/qedf/qedf_fip.c
@@ -95,6 +95,12 @@ static void qedf_fcoe_process_vlan_resp(struct qedf_ctx *qedf,
rlen -= dlen;
}
+ if (atomic_read(&qedf->link_state) == QEDF_LINK_DOWN) {
+ QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
+ "Dropping VLAN response as link is down.\n");
+ return;
+ }
+
QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "VLAN response, "
"vid=0x%x.\n", vid);
diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c
index e5d644f6e098..9e186d762d63 100644
--- a/drivers/scsi/qedf/qedf_main.c
+++ b/drivers/scsi/qedf/qedf_main.c
@@ -124,21 +124,24 @@ static bool qedf_initiate_fipvlan_req(struct qedf_ctx *qedf)
{
int rc;
- if (atomic_read(&qedf->link_state) != QEDF_LINK_UP) {
- QEDF_ERR(&(qedf->dbg_ctx), "Link not up.\n");
- return false;
- }
-
while (qedf->fipvlan_retries--) {
+ /* This is to catch if link goes down during fipvlan retries */
+ if (atomic_read(&qedf->link_state) == QEDF_LINK_DOWN) {
+ QEDF_ERR(&qedf->dbg_ctx, "Link not up.\n");
+ return false;
+ }
+
if (qedf->vlan_id > 0)
return true;
+
QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
"Retry %d.\n", qedf->fipvlan_retries);
init_completion(&qedf->fipvlan_compl);
qedf_fcoe_send_vlan_req(qedf);
rc = wait_for_completion_timeout(&qedf->fipvlan_compl,
1 * HZ);
- if (rc > 0) {
+ if (rc > 0 &&
+ (atomic_read(&qedf->link_state) == QEDF_LINK_UP)) {
fcoe_ctlr_link_up(&qedf->ctlr);
return true;
}
@@ -159,6 +162,12 @@ static void qedf_handle_link_update(struct work_struct *work)
rc = qedf_initiate_fipvlan_req(qedf);
if (rc)
return;
+
+ if (atomic_read(&qedf->link_state) != QEDF_LINK_UP) {
+ qedf->vlan_id = 0;
+ return;
+ }
+
/*
* If we get here then we never received a repsonse to our
* fip vlan request so set the vlan_id to the default and
@@ -2413,6 +2422,13 @@ static int qedf_ll2_rx(void *cookie, struct sk_buff *skb,
struct qedf_ctx *qedf = (struct qedf_ctx *)cookie;
struct qedf_skb_work *skb_work;
+ if (atomic_read(&qedf->link_state) == QEDF_LINK_DOWN) {
+ QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_LL2,
+ "Dropping frame as link state is down.\n");
+ kfree_skb(skb);
+ return 0;
+ }
+
skb_work = kzalloc(sizeof(struct qedf_skb_work), GFP_ATOMIC);
if (!skb_work) {
QEDF_WARN(&(qedf->dbg_ctx), "Could not allocate skb_work so "