scsi: qedf: Check if link is already up when receiving a link up event from qed

[mkp: typo]

Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c
index 28f3711..c3fbab0 100644 (file)
--- a/drivers/scsi/qedf/qedf_main.c
+++ b/drivers/scsi/qedf/qedf_main.c
@@ -485,6 +485,11 @@ static void qedf_link_update(void *dev, struct qed_link_output *link)
        struct qedf_ctx *qedf = (struct qedf_ctx *)dev;
 
        if (link->link_up) {
+               if (atomic_read(&qedf->link_state) == QEDF_LINK_UP) {
+                       QEDF_INFO((&qedf->dbg_ctx), QEDF_LOG_DISC,
+                           "Ignoring link up event as link is already up.\n");
+                       return;
+               }
                QEDF_ERR(&(qedf->dbg_ctx), "LINK UP (%d GB/s).\n",
                    link->speed / 1000);