[PATCH 2/3] can: xilinx_can: Check return value of set_reset_mode

Michal Simek michal.simek at xilinx.com
Mon Sep 14 04:49:57 EDT 2020


From: Srinivas Neeli <srinivas.neeli at xilinx.com>

Check return value of set_reset_mode() for error.

Addresses-Coverity: "check_return"
Signed-off-by: Srinivas Neeli <srinivas.neeli at xilinx.com>
Signed-off-by: Michal Simek <michal.simek at 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




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