Re: [PATCH] hwmon: (pmbus) Fix return value from pmbus_update_byte_data()

[email protected] Tue, 28 Jul 2026 15:54:27 +0000
Newsgroups org.kernel.vger.linux-hwmon
Message-ID <[email protected]>
> pmbus_update_byte_data() is supposed to return a negative error code or 0.
> However, if no change is made to the register, it actually returns the
> register value. This can result in problems if the calling code explicitly
> expects to see an error code or 0.
> 
> Fix it to return 0 on success or the error code as expected.
> 
> Fixes: 11c119986f270 ("hwmon: (pmbus) add helpers for byte write and read modify write")
> Signed-off-by: Guenter Roeck <[email protected]>

Sashiko has reviewed this patch and found no issues. It looks great!

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