RDMA/bnxt_re: Fix an issue in bnxt_re_async_notifier

In the bnxt_re_async_notifier() callback, the way driver retrieves
rdev pointer is wrong. The rdev pointer should be parsed from
adev pointer as while registering with the L2 for ULP, driver uses
the aux device pointer for the handle.

Fixes: 7fea327 ("RDMA/bnxt_re: Add Async event handling support")
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://patch.msgid.link/1738657285-23968-2-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>

Author: Kalesh AP

drivers/infiniband/hw/bnxt_re/main.c

@@ -396,11 +396,16 @@ static void bnxt_re_dcb_wq_task(struct work_struct *work)
 
 static void bnxt_re_async_notifier(void *handle, struct hwrm_async_event_cmpl *cmpl)
 {
-	struct bnxt_re_dev *rdev = (struct bnxt_re_dev *)handle;
+	struct bnxt_re_en_dev_info *en_info = auxiliary_get_drvdata(handle);
 	struct bnxt_re_dcb_work *dcb_work;
+	struct bnxt_re_dev *rdev;
 	u32 data1, data2;
 	u16 event_id;
 
+	rdev = en_info->rdev;
+	if (!rdev)
+		return;
+
 	event_id = le16_to_cpu(cmpl->event_id);
 	data1 = le32_to_cpu(cmpl->event_data1);
 	data2 = le32_to_cpu(cmpl->event_data2);