[patch] scsi/qla2xxx: check for null consistently

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We assume that "ha->cs84xx" can be null on the previous line, so we
should check it here as well.

Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 3b70860..ad22baa 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -1211,7 +1211,7 @@ qla24xx_84xx_fw_version_show(struct device *dev,
 	if (ha->cs84xx && ha->cs84xx->op_fw_version == 0)
 		rval = qla84xx_verify_chip(vha, status);
 
-	if ((rval == QLA_SUCCESS) && (status[0] == 0))
+	if (ha->cs84xx && rval == QLA_SUCCESS && status[0] == 0)
 		return snprintf(buf, PAGE_SIZE, "%u\n",
 			(uint32_t)ha->cs84xx->op_fw_version);
 
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