staging: ks7010: remove null check after call container_of()

container_of() will never return NULL, so remove useless code.

Signed-off-by: Haowen Bai <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/ks7010/ks_hostif.c

···
 	struct ks_wlan_private *priv;
 
 	priv = container_of(work, struct ks_wlan_private, sme_work);
-	if (!priv)
-		return;
 
 	if (priv->dev_state < DEVICE_STATE_BOOT)
 		return;