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authorChad Dupuis <chad.dupuis@cavium.com>2018-04-25 16:08:55 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2018-05-08 07:57:10 +0300
commit3f9de7f0413df53efa47e1571433f0c951d26e46 (patch)
tree160befcf251838e2e6fa4627b9e8730d90035c6c /drivers/scsi/qedf
parenta8f192bce17430106157100746699bfabbd6e892 (diff)
downloadlinux-3f9de7f0413df53efa47e1571433f0c951d26e46.tar.xz
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>
Diffstat (limited to 'drivers/scsi/qedf')
-rw-r--r--drivers/scsi/qedf/qedf_main.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c
index 28f37113bc9b..c3fbab059599 100644
--- 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);