[PATCH 16/20] net/sfc: fix a memory leak in error handling

[Weiguo Li]

When efx_nic_get_board_info() failed then function return, the
memory in 'id' is not released, this leads to a memory leak.

Fixes: e86b48aa46d4 ("net/sfc: add HW switch ID helpers")

Signed-off-by: Weiguo Li <liwg06 at foxmail.com>
---
 drivers/net/sfc/sfc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/sfc/sfc.c b/drivers/net/sfc/sfc.c
index 51726d229b..ad1683a512 100644
--- a/drivers/net/sfc/sfc.c
+++ b/drivers/net/sfc/sfc.c
@@ -1423,8 +1423,10 @@ sfc_hw_switch_id_init(struct sfc_adapter *sa,
 		return ENOMEM;
 
 	rc = efx_nic_get_board_info(sa->nic, &board_info);
-	if (rc != 0)
+	if (rc != 0) {
+		rte_free(id);
 		return rc;
+	}
 
 	memcpy(id->board_sn, board_info.enbi_serial, sizeof(id->board_sn));
 
-- 
2.25.1