Commit e183d4e4 authored Apr 11, 2019 by Kangjie Lu Committed by David S. Miller Apr 11, 2019

net/smc: fix a NULL pointer dereference



In case alloc_ordered_workqueue fails, the fix returns NULL
to avoid NULL pointer dereference.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent fd57770d

net/smc/smc_ism.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -289,6 +289,11 @@ struct smcd_dev smcd_alloc_dev(struct device parent, const char *name,
		INIT_LIST_HEAD(&smcd->vlan);
		smcd->event_wq = alloc_ordered_workqueue("ism_evt_wq-%s)",
		WQ_MEM_RECLAIM, name);
		if (!smcd->event_wq) {
		kfree(smcd->conn);
		kfree(smcd);
		return NULL;
		}
		return smcd;
		}
		EXPORT_SYMBOL_GPL(smcd_alloc_dev);

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