staging: ozwpan: fix memcmp() test in oz_set_active_pd()
"addr" is a pointer so it's either 4 or 8 bytes, but actually we want to compare 6 bytes (ETH_ALEN). As network stack already provides helper function is_zero_ether_addr() we use that instead of memcmp Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Acked-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Rupesh Gujare <rgujare@ozmodevices.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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