android/android_kernel_samsung_sm8650
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

octeontx2-pf: Add missing mutex lock in otx2_get_pauseparam

Browse Source 
[ Upstream commit 9572c949385aa2ef10368287c439bcb7935137c8 ]

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

Fixes: 75f3627099 ("octeontx2-pf: Support to enable/disable pause frames via ethtool")
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Subbaraya Sundeep 2023-11-29 10:53:42 +05:30 committed by Greg Kroah-Hartman
parent a3f5de10b5
commit f565044d1d
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c
View File

@ -323,9 +323,12 @@ 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 *)
@ -333,6 +336,7 @@ 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,