From: Michal Simek <michal.simek@xilinx.com>
To: linux-kernel@vger.kernel.org, monstr@monstr.eu,
michal.simek@xilinx.com, git@xilinx.com
Cc: Srinivas Neeli <srinivas.neeli@xilinx.com>,
Appana Durga Kedareswara rao <appana.durga.rao@xilinx.com>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
Marc Kleine-Budde <mkl@pengutronix.de>,
Naga Sureshkumar Relli <naga.sureshkumar.relli@xilinx.com>,
Wolfgang Grandegger <wg@grandegger.com>,
linux-arm-kernel@lists.infradead.org, linux-can@vger.kernel.org,
netdev@vger.kernel.org
Subject: [PATCH 2/3] can: xilinx_can: Check return value of set_reset_mode
Date: Mon, 14 Sep 2020 10:49:57 +0200 [thread overview]
Message-ID: <bac2c2b857986472a11db341b3f6f7a8905ad0dd.1600073396.git.michal.simek@xilinx.com> (raw)
In-Reply-To: <cover.1600073396.git.michal.simek@xilinx.com>
From: Srinivas Neeli <srinivas.neeli@xilinx.com>
Check return value of set_reset_mode() for error.
Addresses-Coverity: "check_return"
Signed-off-by: Srinivas Neeli <srinivas.neeli@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---
drivers/net/can/xilinx_can.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/net/can/xilinx_can.c b/drivers/net/can/xilinx_can.c
index f4b544b69646..3393e2a73e15 100644
--- a/drivers/net/can/xilinx_can.c
+++ b/drivers/net/can/xilinx_can.c
@@ -1369,9 +1369,13 @@ static irqreturn_t xcan_interrupt(int irq, void *dev_id)
static void xcan_chip_stop(struct net_device *ndev)
{
struct xcan_priv *priv = netdev_priv(ndev);
+ int ret;
/* Disable interrupts and leave the can in configuration mode */
- set_reset_mode(ndev);
+ ret = set_reset_mode(ndev);
+ if (ret < 0)
+ netdev_dbg(ndev, "set_reset_mode() Failed\n");
+
priv->can.state = CAN_STATE_STOPPED;
}
--
2.28.0
next prev parent reply other threads:[~2020-09-14 8:50 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-14 8:49 [PATCH 0/3] can: xilinx_can: Some minor changes Michal Simek
2020-09-14 8:49 ` [PATCH 1/3] can: xilinx_can: Limit CANFD brp to 2 Michal Simek
2020-09-14 8:49 ` Michal Simek [this message]
2020-09-14 8:49 ` [PATCH 3/3] can: xilinx_can: Fix incorrect variable and initialize with a default value Michal Simek
2020-10-06 19:34 ` [PATCH 0/3] can: xilinx_can: Some minor changes Marc Kleine-Budde
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