Writing a large value into a voltage limit attribute can result
in an overflow due to an auto-conversion from unsigned long to
unsigned int.
Cc: Constantine Shulyupin <const@xxxxxxxxxxxxx>
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
drivers/hwmon/nct7802.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hwmon/nct7802.c b/drivers/hwmon/nct7802.c
index 658bc91033a2..457b0f2678a4 100644
--- a/drivers/hwmon/nct7802.c
+++ b/drivers/hwmon/nct7802.c
@@ -262,7 +262,7 @@ abort:
}
static int nct7802_write_voltage(struct nct7802_data *data, int nr, int index,
- unsigned int voltage)
+ unsigned long voltage)
{
int shift = 8 - REG_VOLTAGE_LIMIT_MSB_SHIFT[index - 1][nr];
int err;
--
2.1.0
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