crypto: chcr - fix itnull.cocci warnings

The first argument to list_for_each_entry cannot be NULL.

Generated by: scripts/coccinelle/iterators/itnull.cocci
Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Harsh Jain <harsh@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/chelsio/chcr_core.c

@@ -61,7 +61,7 @@ int assign_chcr_device(struct chcr_dev **dev)
 	 */
 	mutex_lock(&dev_mutex); /* TODO ? */
 	list_for_each_entry(u_ctx, &uld_ctx_list, entry)
-		if (u_ctx && u_ctx->dev) {
+		if (u_ctx->dev) {
 			*dev = u_ctx->dev;
 			ret = 0;
 			break;