Commit deb7178e authored by Pavel Skripkin's avatar Pavel Skripkin Committed by David S. Miller
Browse files

net: fddi: fix UAF in fza_probe 



fp is netdev private data and it cannot be
used after free_netdev() call. Using fp after free_netdev()
can cause UAF bug. Fix it by moving free_netdev() after error message.

Fixes: 61414f5e ("FDDI: defza: Add support for DEC FDDIcontroller 700
TURBOchannel adapter")
Signed-off-by: default avatarPavel Skripkin <paskripkin@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b0b33b04

drivers/net/fddi/defza.c

+1 −2
Original line number Diff line number Diff line
@@ -1504,9 +1504,8 @@ static int fza_probe(struct device *bdev) 
	release_mem_region(start, len);



err_out_kfree:

	free_netdev(dev);



	pr_err("%s: initialization failure, aborting!\n", fp->name);

	free_netdev(dev);

	return ret;

}