octeontx2-pf: Fix memory leak during interface down

[ Upstream commit 5f228d7c8a539714c1e9b7e7534f76bb7979f268 ]

During 'ifconfig <netdev> down' one RSS memory was not getting freed.
This patch fixes the same.

Fixes: 81a4362016e7 ("octeontx2-pf: Add RSS multi group support")
Signed-off-by: Suman Ghosh <sumang@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>

diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
index 91b99fd..ba95ac9 100644 (file)
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
@@ -1934,6 +1934,8 @@ int otx2_stop(struct net_device *netdev)
        /* Clear RSS enable flag */
        rss = &pf->hw.rss_info;
        rss->enable = false;
+       if (!netif_is_rxfh_configured(netdev))
+               kfree(rss->rss_ctx[DEFAULT_RSS_CONTEXT_GROUP]);
 
        /* Cleanup Queue IRQ */
        vec = pci_irq_vector(pf->pdev,