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(parent: 3e899fe) | patch
platform/x86: dell-ddv: Return error if buffer is empty
authorArmin Wolf <W_Armin@gmx.de>
Thu, 26 Jan 2023 19:40:18 +0000 (20:40 +0100)
committerHans de Goede <hdegoede@redhat.com>
Fri, 3 Feb 2023 09:01:50 +0000 (10:01 +0100)
commit36d44825faf42903a0b92dd49a9620e2cbdcbe18
tree7d9e07566914fc37b0a02f4ce3de2c25aa075172tree | snapshot
parent3e899fec5dfce37701d49d656954a825275bf867commit | diff
platform/x86: dell-ddv: Return error if buffer is empty

In several cases, the DDV WMI interface can return buffers
with a length of zero. Return -ENODATA in such a case for
proper error handling. Also replace some -EIO errors with
more specialized ones.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20230126194021.381092-3-W_Armin@gmx.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
drivers/platform/x86/dell/dell-wmi-ddv.c diff | blob | history
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