net/sfc: fix DMA memory leak after kvarg processing failure

Fixes: e56fa9c23e7a ("net/sfc: add kvarg control for MAC statistics update period")
Cc: stable@dpdk.org
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Ivan Malov <ivan.malov@oktetlabs.ru>

diff --git a/drivers/net/sfc/sfc_port.c b/drivers/net/sfc/sfc_port.c
index d71ec18..6cfd0e3 100644 (file)
--- a/drivers/net/sfc/sfc_port.c
+++ b/drivers/net/sfc/sfc_port.c
@@ -404,6 +404,8 @@ sfc_port_attach(struct sfc_adapter *sa)
        return 0;
 
 fail_kvarg_stats_update_period_ms:
+       sfc_dma_free(sa, &port->mac_stats_dma_mem);
+
 fail_mac_stats_dma_alloc:
        rte_free(port->mac_stats_buf);