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Commit 9f4d6358 authored by Kangjie Lu's avatar Kangjie Lu Committed by David S. Miller
Browse files

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: default avatarKangjie Lu <kjlu@umn.edu>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent eb32cfcd

drivers/net/ethernet/fujitsu/fmvj18x_cs.c

+5 −0
Original line number Diff line number Diff line
@@ -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);



    /*