Commit 9572c949 authored by Subbaraya Sundeep's avatar Subbaraya Sundeep Committed by David S. Miller
Browse files

octeontx2-pf: Add missing mutex lock in otx2_get_pauseparam 



All the mailbox messages sent to AF needs to be guarded
by mutex lock. Add the missing lock in otx2_get_pauseparam
function.

Fixes: 75f36270 ("octeontx2-pf: Support to enable/disable pause frames via ethtool")
Signed-off-by: default avatarSubbaraya Sundeep <sbhatta@marvell.com>
Reviewed-by: default avatarSimon Horman <horms@kernel.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent cf50b5ca

drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c

+5 −1
Original line number Diff line number Diff line
@@ -334,9 +334,12 @@ static void otx2_get_pauseparam(struct net_device *netdev, 
	if (is_otx2_lbkvf(pfvf->pdev))

		return;



	mutex_lock(&pfvf->mbox.lock);

	req = otx2_mbox_alloc_msg_cgx_cfg_pause_frm(&pfvf->mbox);

	if (!req)

	if (!req) {

		mutex_unlock(&pfvf->mbox.lock);

		return;

	}



	if (!otx2_sync_mbox_msg(&pfvf->mbox)) {

		rsp = (struct cgx_pause_frm_cfg *)
@@ -344,6 +347,7 @@ static void otx2_get_pauseparam(struct net_device *netdev, 
		pause->rx_pause = rsp->rx_pause;

		pause->tx_pause = rsp->tx_pause;

	}

	mutex_unlock(&pfvf->mbox.lock);

}



static int otx2_set_pauseparam(struct net_device *netdev,