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-rw-r--r--net/can/af_can.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/net/can/af_can.c b/net/can/af_can.c
index 8bacf28..c4e5085 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -546,16 +546,13 @@ void can_rx_unregister(struct net_device *dev, canid_t can_id, canid_t mask,
}
/*
- * Check for bugs in CAN protocol implementations:
- * If no matching list item was found, the list cursor variable next
- * will be NULL, while r will point to the last item of the list.
+ * Check for bugs in CAN protocol implementations using af_can.c:
+ * 'r' will be NULL if no matching list item was found for removal.
*/
if (!r) {
- pr_err("BUG: receive list entry not found for "
- "dev %s, id %03X, mask %03X\n",
- DNAME(dev), can_id, mask);
- r = NULL;
+ WARN(1, "BUG: receive list entry not found for dev %s, "
+ "id %03X, mask %03X\n", DNAME(dev), can_id, mask);
goto out;
}
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