Liang He 90de546d9a ethernet: sun: add check for the mdesc_grab() ...

In vnet_port_probe() and vsw_port_probe(), we should
check the return value of mdesc_grab() as it may
return NULL which can caused NPD bugs.

Fixes: 5d01fa0c6b ("ldmvsw: Add ldmvsw.c driver code")
Fixes: 43fdf27470 ("[SPARC64]: Abstract out mdesc accesses for better MD update handling.")
Signed-off-by: Liang He <windhl@126.com>
Reviewed-by: Piotr Raczynski <piotr.raczynski@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2023-03-17 07:47:39 +00:00

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