[PATCH 5.14 122/151] platform/mellanox: mlxreg-io: Fix read access of n-bytes size attributes

[Greg Kroah-Hartman]

From: Vadim Pasternak <vadimp@xxxxxxxxxx>

commit db9cc7d6f95e7d89b0ce57e785cfd9d67a7505d8 upstream.

Fix shift argument for function rol32(). It should be provided in bits,
while was provided in bytes.

Fixes: 86148190a7db ("platform/mellanox: mlxreg-io: Add support for complex attributes")
Signed-off-by: Vadim Pasternak <vadimp@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20210927142214.2613929-3-vadimp@xxxxxxxxxx
Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/platform/mellanox/mlxreg-io.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/platform/mellanox/mlxreg-io.c
+++ b/drivers/platform/mellanox/mlxreg-io.c
@@ -98,7 +98,7 @@ mlxreg_io_get_reg(void *regmap, struct m
 			if (ret)
 				goto access_error;
 
-			*regval |= rol32(val, regsize * i);
+			*regval |= rol32(val, regsize * i * 8);
 		}
 	}