[PATCH] can: mcp251xfd: mcp251xfd_handle_ivmif(): fix wrong NULL pointer check

[angkery]

From: Junlin Yang <yangjun...@yulong.com>

if alloc_can_err_skb() returns NULL, we should check skb instead of cf.

Signed-off-by: Junlin Yang <yangjun...@yulong.com>
---
 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c 
b/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c
index f07e8b7..0af131c 100644
--- a/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c
+++ b/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c
@@ -1755,7 +1755,7 @@ static int mcp251xfd_handle_ivmif(struct mcp251xfd_priv 
*priv)
                        cf->data[2] |= CAN_ERR_PROT_TX | CAN_ERR_PROT_BIT0;
        }
 
-       if (!cf)
+       if (!skb)
                return 0;
 
        err = can_rx_offload_queue_sorted(&priv->offload, skb, timestamp);
-- 
1.9.1