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firewire: net: fix NULL derefencing in fwnet_probe()

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"dev" and "net" are NULL when alloc_netdev() is failed.
So just unlock and return an error.

Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
This commit is contained in:
Daeseok Youn 2014-04-29 18:49:47 +09:00 committed by Stefan Richter
parent d6d211db37
commit 1118f8d048
1 changed files with 2 additions and 2 deletions
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4
drivers/firewire/net.c
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@ -1462,8 +1462,8 @@ static int fwnet_probe(struct fw_unit *unit,
net = alloc_netdev(sizeof(*dev), "firewire%d", fwnet_init_dev);
if (net == NULL) {
ret = -ENOMEM;
goto out;
mutex_unlock(&fwnet_device_mutex);
return -ENOMEM;
}
allocated_netdev = true;