net: ll_temac: Use devm_platform_ioremap_resource_byname()
platform_get_resource() may fail and return NULL, so we had better check its return value to avoid a NULL pointer dereference a bit later in the code. Fix it to use devm_platform_ioremap_resource_byname() instead of calling platform_get_resource_byname() and devm_ioremap(). Fixes: 8425c41d ("net: ll_temac: Extend support to non-device-tree platforms") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Wang Hai <wanghai38@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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