[PATCH] sfc: Fix missing error code in efx_reset_up()

[Jiapeng Chong]

The error code is missing in this code scenario, add the error code
'-EINVAL' to the return value 'rc'.

Eliminate the follow smatch warning:

drivers/net/ethernet/sfc/efx_common.c:758 efx_reset_up() warn: missing
error code 'rc'.

Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx>
---
 drivers/net/ethernet/sfc/efx_common.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/sfc/efx_common.c b/drivers/net/ethernet/sfc/efx_common.c
index af37c990217e..bdfcda8bb5d0 100644
--- a/drivers/net/ethernet/sfc/efx_common.c
+++ b/drivers/net/ethernet/sfc/efx_common.c
@@ -754,8 +754,10 @@ int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok)
 		goto fail;
 	}
 
-	if (!ok)
+	if (!ok) {
+		rc = -EINVAL;
 		goto fail;
+	}
 
 	if (efx->port_initialized && method != RESET_TYPE_INVISIBLE &&
 	    method != RESET_TYPE_DATAPATH) {
-- 
2.20.1.7.g153144c