From: Marc Kleine-Budde <mkl@pengutronix.de>
To: netdev@vger.kernel.org
Cc: davem@davemloft.net, kuba@kernel.org, linux-can@vger.kernel.org,
kernel@pengutronix.de,
Stephane Grosjean <s.grosjean@peak-system.com>,
Marc Kleine-Budde <mkl@pengutronix.de>
Subject: [PATCH net 11/11] can: peak_usb: pcan_usb_fd_decode_status(): remove unnecessary test on the nullity of a pointer
Date: Sun, 17 Oct 2021 23:01:42 +0200 [thread overview]
Message-ID: <20211017210142.2108610-12-mkl@pengutronix.de> (raw)
In-Reply-To: <20211017210142.2108610-1-mkl@pengutronix.de>
From: Stephane Grosjean <s.grosjean@peak-system.com>
Since alloc_can_err_skb() puts NULL in cf in the case when skb cannot
be allocated and can_change_state() handles the case when cf is NULL,
the test on the nullity of skb is now unnecessary.
Link: https://lore.kernel.org/all/20210929142111.55757-2-s.grosjean@peak-system.com
Signed-off-by: Stephane Grosjean <s.grosjean@peak-system.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
---
drivers/net/can/usb/peak_usb/pcan_usb_fd.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_fd.c b/drivers/net/can/usb/peak_usb/pcan_usb_fd.c
index e206959b3d06..09029a3bad1a 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_fd.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_fd.c
@@ -567,8 +567,7 @@ static int pcan_usb_fd_decode_status(struct pcan_usb_fd_if *usb_if,
/* allocate an skb to store the error frame */
skb = alloc_can_err_skb(netdev, &cf);
- if (skb)
- can_change_state(netdev, cf, tx_state, rx_state);
+ can_change_state(netdev, cf, tx_state, rx_state);
/* things must be done even in case of OOM */
if (new_state == CAN_STATE_BUS_OFF)
--
2.33.0
next prev parent reply other threads:[~2021-10-17 21:02 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-17 21:01 pull-request: can 2021-10-17 Marc Kleine-Budde
2021-10-17 21:01 ` [PATCH net 01/11] can: j1939: j1939_tp_rxtimer(): fix errant alert in j1939_tp_rxtimer Marc Kleine-Budde
2021-10-17 21:01 ` [PATCH net 02/11] can: j1939: j1939_netdev_start(): fix UAF for rx_kref of j1939_priv Marc Kleine-Budde
2021-10-17 21:01 ` [PATCH net 03/11] can: j1939: j1939_xtp_rx_dat_one(): cancel session if receive TP.DT with error length Marc Kleine-Budde
2021-10-17 21:01 ` [PATCH net 04/11] can: j1939: j1939_xtp_rx_rts_session_new(): abort TP less than 9 bytes Marc Kleine-Budde
2021-10-17 21:01 ` [PATCH net 05/11] can: isotp: isotp_sendmsg(): add result check for wait_event_interruptible() Marc Kleine-Budde
2021-10-17 21:01 ` [PATCH net 06/11] can: isotp: isotp_sendmsg(): fix TX buffer concurrent access in isotp_sendmsg() Marc Kleine-Budde
2021-10-17 21:01 ` [PATCH net 07/11] can: rcar_can: fix suspend/resume Marc Kleine-Budde
2021-10-17 21:01 ` [PATCH net 08/11] can: m_can: fix iomap_read_fifo() and iomap_write_fifo() Marc Kleine-Budde
2021-10-17 21:01 ` [PATCH net 09/11] can: peak_pci: peak_pci_remove(): fix UAF Marc Kleine-Budde
2021-10-17 21:01 ` [PATCH net 10/11] can: peak_usb: pcan_usb_fd_decode_status(): fix back to ERROR_ACTIVE state notification Marc Kleine-Budde
2021-10-17 21:01 ` Marc Kleine-Budde [this message]
2021-10-18 12:10 ` pull-request: can 2021-10-17 patchwork-bot+netdevbpf
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