qlcnic: Fix bad kzalloc null test

In qlcnic_83xx_get_reset_instruction_template, the variable
of null test is bad, so correct it.

Signed-off-by: Xu Wang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

Author: ISCAS-Vulab

drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c

@@ -1720,7 +1720,7 @@ static int qlcnic_83xx_get_reset_instruction_template(struct qlcnic_adapter *p_d
 
 	ahw->reset.seq_error = 0;
 	ahw->reset.buff = kzalloc(QLC_83XX_RESTART_TEMPLATE_SIZE, GFP_KERNEL);
-	if (p_dev->ahw->reset.buff == NULL)
+	if (ahw->reset.buff == NULL)
 		return -ENOMEM;
 
 	p_buff = p_dev->ahw->reset.buff;