From e089c8f6266a0c65600be8b32c14ffc014c2b506 Mon Sep 17 00:00:00 2001
From: Chengwen Feng <[email protected]>
Date: Sat, 12 Oct 2024 17:14:57 +0800
Subject: [PATCH] net/hns3: verify reset type from firmware

[ upstream commit 3db846003734d38d59950ebe024ad6d61afe08f0 ]

Verify reset-type which get from firmware.

Fixes: 1c1eb759e9d7 ("net/hns3: support RAS process in Kunpeng 930")
Cc: [email protected]

Signed-off-by: Chengwen Feng <[email protected]>
Acked-by: Jie Hai <[email protected]>
---
 drivers/net/hns3/hns3_intr.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/hns3/hns3_intr.c b/drivers/net/hns3/hns3_intr.c
index 916bf30..d37c7eb 100644
--- a/drivers/net/hns3/hns3_intr.c
+++ b/drivers/net/hns3/hns3_intr.c
@@ -2252,6 +2252,12 @@ hns3_handle_module_error_data(struct hns3_hw *hw, uint32_t *buf,
 	sum_err_info = (struct hns3_sum_err_info *)&buf[offset++];
 	mod_num = sum_err_info->mod_num;
 	reset_type = sum_err_info->reset_type;
+
+	if (reset_type >= HNS3_MAX_RESET) {
+		hns3_err(hw, "invalid reset type = %u", reset_type);
+		return;
+	}
+
 	if (reset_type && reset_type != HNS3_NONE_RESET)
 		hns3_atomic_set_bit(reset_type, &hw->reset.request);
 
-- 
2.33.0