Re: [PATCH v8 1/3] hwmon: (asus_wmi_ec_sensors) Support B550 Asus WMI.

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On Mon, Oct 25, 2021 at 10:37:06PM +0300, Andy Shevchenko wrote:
> On Mon, Oct 25, 2021 at 10:20:17PM +0300, Andy Shevchenko wrote:
> > On Fri, Oct 22, 2021 at 11:00:29PM +0300, Denis Pauk wrote:

...

> > Below is a follow up, I have not compiled it.
> > Feel free to take fully or partially.

Okay, here a few additional fixes (make them symmetrical and hope that
it will compile now):

diff --git a/drivers/hwmon/asus_wmi_ec_sensors.c b/drivers/hwmon/asus_wmi_ec_sensors.c
index 870de5a7f20d..d39271b5e50c 100644
--- a/drivers/hwmon/asus_wmi_ec_sensors.c
+++ b/drivers/hwmon/asus_wmi_ec_sensors.c
@@ -261,10 +261,7 @@ static int asus_wmi_ec_fill_board_sensors(struct asus_wmi_ec_info *ec,
 static int asus_wmi_ec_decode_reply_buffer(const u8 *in, u32 length, u8 *out)
 {
 	char buffer[ASUSWMI_MAX_BUF_LEN * 2];
-	u32 len;
-
-	/* Minimum of size of response and size of ACPI result (in bytes) */
-	len = min_t(u32, in[0], length - 2);
+	u32 len = min_t(u32, get_unaligned_le16(in), length - 2);
 
 	utf16s_to_utf8s((wchar_t *)(in + 2), len / 2, UTF16_LITTLE_ENDIAN, buffer, sizeof(buffer));
 
@@ -274,13 +271,13 @@ static int asus_wmi_ec_decode_reply_buffer(const u8 *in, u32 length, u8 *out)
 static void asus_wmi_ec_encode_registers(const u8 *in, u32 length, char *out)
 {
 	char buffer[ASUSWMI_MAX_BUF_LEN * 2];
-	u16 len = nr_registers * 2;
-
-	put_unaligned_le16(len * 2, out);
+	u32 len = length;
 
 	bin2hex(buffer, in, len);
 
 	utf8s_to_utf16s(buffer, len * 2, UTF16_LITTLE_ENDIAN, (wchar_t *)(out + 2), len);
+
+	put_unaligned_le16(len * 2, out);
 }
 
 static void asus_wmi_ec_make_block_read_query(struct asus_wmi_ec_info *ec)
@@ -298,7 +295,7 @@ static void asus_wmi_ec_make_block_read_query(struct asus_wmi_ec_info *ec)
 		}
 	}
 
-	asus_wmi_ec_encode_registers(registers, ec->nr_registers, ec->read_arg);
+	asus_wmi_ec_encode_registers(registers, offset, ec->read_arg);
 }
 
 static int asus_wmi_ec_block_read(u32 method_id, char *query, u8 *out)

-- 
With Best Regards,
Andy Shevchenko





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