[PATCH v2] net: mediatek: add null pointer check for hardware offloading

Andrew Lunn andrew at lunn.ch
Sat Jan 3 00:30:43 PST 2026


On Sat, Jan 03, 2026 at 01:50:08AM +0100, Sebastian Roland Wolf wrote:
> From: Sebastian Roland Wolf <srw at root533.premium-rootserver.net>
> 
> Add a null pointer check to prevent kernel crashes when hardware
> offloading is active on MediaTek devices.
> 
> In some edge cases, the ethernet pointer or its associated netdev
> element can be NULL. Checking these pointers before access is
> mandatory to avoid segmentation faults and kernel oops.

Would it make sense to return EOPNOTSUPP, or maybe ENODEV? This does
seem like an error case.

     Andrew



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