Commit c93ad133 authored Apr 30, 2019 by YueHaibing Committed by David S. Miller Apr 30, 2019

appletalk: Set error code if register_snap_client failed



If register_snap_client fails in atalk_init,
error code should be set, otherwise it will
triggers NULL pointer dereference while unloading
module.

Fixes: 9804501f ("appletalk: Fix potential NULL pointer dereference in unregister_snap_client")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent f949a12f

net/appletalk/ddp.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1920,6 +1920,7 @@ static int __init atalk_init(void)
		ddp_dl = register_snap_client(ddp_snap_id, atalk_rcv);
		if (!ddp_dl) {
		pr_crit("Unable to register DDP with SNAP.\n");
		rc = -ENOMEM;
		goto out_sock;
		}

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