There's a possible race where driver can read link status in mid-transition
and see that virtual-link is up yet speed is 0. Since in this
mid-transition we're guaranteed to see a mailbox from MFW soon, we can
afford to treat this as link down.
Fixes: cc875c2e ("qed: Add link support")
Signed-off-by: Sudarsana Reddy Kalluru <[email protected]>
Signed-off-by: Ariel Elior <[email protected]>
Signed-off-by: Michal Kalderon <[email protected]>
---
drivers/net/ethernet/qlogic/qed/qed_mcp.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.c
b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
index fcd3466..1a12093 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_mcp.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
@@ -1208,6 +1208,7 @@ static void qed_mcp_handle_link_change(struct qed_hwfn
*p_hwfn,
break;
default:
p_link->speed = 0;
+ p_link->link_up = 0;
}
if (p_link->link_up && p_link->speed)
--
1.8.3.1
