From: Ziyang Xuan Date: Fri, 11 Nov 2022 07:08:47 +0000 (+0800) Subject: octeon_ep: ensure octep_get_link_status() successfully before octep_link_up() X-Git-Tag: v6.1~120^2~20^2~2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9d3ff7131877fb092185c369fbb14b57ac4e7cec;p=platform%2Fkernel%2Flinux-starfive.git octeon_ep: ensure octep_get_link_status() successfully before octep_link_up() octep_get_link_status() can fail because send mbox message failed, then octep_get_link_status() will return ret less than 0. Excute octep_link_up() as long as ret is not equal to 0 in octep_open() now. That is not correct. The value type of link.state is enum octep_ctrl_net_state. Positive value represents up. Excute octep_link_up() when ret is bigger than 0. Fixes: 862cd659a6fb ("octeon_ep: Add driver framework and device initialization") Signed-off-by: Ziyang Xuan Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c index 7985a748fafe..546bcebf4462 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c @@ -521,7 +521,7 @@ static int octep_open(struct net_device *netdev) octep_oq_dbell_init(oct); ret = octep_get_link_status(oct); - if (ret) + if (ret > 0) octep_link_up(netdev); return 0;