patacongo commented on a change in pull request #1047:
URL: https://github.com/apache/incubator-nuttx/pull/1047#discussion_r425158448
##########
File path: net/netdev/netdev_register.c
##########
@@ -333,6 +335,18 @@ int netdev_register(FAR struct net_driver_s *dev, enum
net_lltype_e lltype)
return -EINVAL;
}
+ /* Update the package length */
+
+ if (dev->d_llhdrlen == 0)
+ {
+ dev->d_llhdrlen = llhdrlen;
+ }
+
+ if (dev->d_pktsize == 0)
+ {
+ dev->d_pktsize = pktsize;
+ }
+
Review comment:
This could break network drivers that do not initialilze dev->d_llhdrlen
and d_pktsize to zero. Did you verify that all network drivers do this?
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