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Commit 566f26aa authored by Wei Yongjun's avatar Wei Yongjun Committed by David S. Miller
Browse files

caif: move the dereference below the NULL test 

The dereference should be moved below the NULL test.

spatch with a semantic match is used to found this.
(http://coccinelle.lip6.fr/

)

Signed-off-by: default avatarWei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2120c52d

net/caif/cfsrvl.c

+3 −2
Original line number Diff line number Diff line
@@ -211,9 +211,10 @@ void caif_client_register_refcnt(struct cflayer *adapt_layer, 
					void (*put)(struct cflayer *lyr))

{

	struct cfsrvl *service;

	service = container_of(adapt_layer->dn, struct cfsrvl, layer);



	WARN_ON(adapt_layer == NULL || adapt_layer->dn == NULL);

	if (WARN_ON(adapt_layer == NULL || adapt_layer->dn == NULL))

		return;

	service = container_of(adapt_layer->dn, struct cfsrvl, layer);

	service->hold = hold;

	service->put = put;

}