Add check for the return value of alloc_can_err_skb in order to
avoid NULL pointer dereference.
Fixes: 8537257874e9 ("can: etas_es58x: add core support for ETAS ES58X CAN USB interfaces")
Signed-off-by: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
---
drivers/net/can/usb/etas_es58x/es58x_core.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/can/usb/etas_es58x/es58x_core.c b/drivers/net/can/usb/etas_es58x/es58x_core.c
index 0c7f7505632c..d694cb22d9f4 100644
--- a/drivers/net/can/usb/etas_es58x/es58x_core.c
+++ b/drivers/net/can/usb/etas_es58x/es58x_core.c
@@ -680,6 +680,8 @@ int es58x_rx_err_msg(struct net_device *netdev, enum es58x_err error,
}
skb = alloc_can_err_skb(netdev, &cf);
+ if (!skb)
+ return -ENOMEM;
switch (error) {
case ES58X_ERR_OK: /* 0: No error */
--
2.25.1
