[PATCH 6.11 548/817] hwmon: (aquacomputer_d5next) Fix length of speed_input array

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6.11-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Aleksa Savic <savicaleksa83@xxxxxxxxx>

[ Upstream commit 998b5a78a9ce1cc4378e7281e4ea310e37596170 ]

Commit 120584c728a6 ("hwmon: (aquacomputer_d5next) Add support for Octo
flow sensor") added support for reading Octo flow sensor, but didn't
update the priv->speed_input array length. Since Octo has 8 fans, with
the addition of the flow sensor the proper length for speed_input is 9.

Reported by Arne Schwabe on Github [1], who received a UBSAN warning.

Fixes: 120584c728a6 ("hwmon: (aquacomputer_d5next) Add support for Octo flow sensor")
Closes: https://github.com/aleksamagicka/aquacomputer_d5next-hwmon/issues/100 [1]
Reported-by: Arne Schwabe <arne@xxxxxxxxxxx>
Signed-off-by: Aleksa Savic <savicaleksa83@xxxxxxxxx>
Message-ID: <20241124152725.7205-1-savicaleksa83@xxxxxxxxx>
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/hwmon/aquacomputer_d5next.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hwmon/aquacomputer_d5next.c b/drivers/hwmon/aquacomputer_d5next.c
index 8e55cd2f46f53..a72315a08f161 100644
--- a/drivers/hwmon/aquacomputer_d5next.c
+++ b/drivers/hwmon/aquacomputer_d5next.c
@@ -597,7 +597,7 @@ struct aqc_data {
 
 	/* Sensor values */
 	s32 temp_input[20];	/* Max 4 physical and 16 virtual or 8 physical and 12 virtual */
-	s32 speed_input[8];
+	s32 speed_input[9];
 	u32 speed_input_min[1];
 	u32 speed_input_target[1];
 	u32 speed_input_max[1];
-- 
2.43.0







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