提交 9f4d6358 编写于 作者: K Kangjie Lu 提交者: David S. Miller

net: fujitsu: fix a potential NULL pointer dereference

In case ioremap fails, the fix releases the pcmcia window and
returns -ENOMEM to avoid the NULL pointer dereference.
Signed-off-by: NKangjie Lu <kjlu@umn.edu>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 eb32cfcd
......@@ -547,6 +547,11 @@ static int fmvj18x_get_hwinfo(struct pcmcia_device *link, u_char *node_id)
return -1;
base = ioremap(link->resource[2]->start, resource_size(link->resource[2]));
if (!base) {
pcmcia_release_window(link, link->resource[2]);
return -ENOMEM;
}
pcmcia_map_mem_page(link, link->resource[2], 0);
/*
......
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