diff mbox series

[2/2] sh_eth: sh_eth_close() always returns 0

Message ID 20220128203838.17423-3-s.shtylyov@omp.ru (mailing list archive)
State Mainlined
Commit e7d966f9ea52c4c77491646068dbd5412a6225b4
Delegated to: Geert Uytterhoeven
Headers show
Series Kill some dead code in the Renesas Ethernet drivers | expand

Commit Message

Sergey Shtylyov Jan. 28, 2022, 8:38 p.m. UTC
sh_eth_close() always returns 0, hence the check in sh_eth_wol_restore()
is pointless (however we cannot change the prototype of sh_eth_close() as
it implements the driver's ndo_stop() method).

Found by Linux Verification Center (linuxtesting.org) with the SVACE static
analysis tool.

Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
---
 drivers/net/ethernet/renesas/sh_eth.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index d947a628e166..b21e101b4484 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -3450,9 +3450,7 @@  static int sh_eth_wol_restore(struct net_device *ndev)
 	 * both be reset and all registers restored. This is what
 	 * happens during suspend and resume without WoL enabled.
 	 */
-	ret = sh_eth_close(ndev);
-	if (ret < 0)
-		return ret;
+	sh_eth_close(ndev);
 	ret = sh_eth_open(ndev);
 	if (ret < 0)
 		return ret;