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[v3,2/2] platform/x86: wmi: Avoid returning AE_OK upon unknown error

Message ID 20240308195027.7640-2-W_Armin@gmx.de
State Superseded
Headers show
Series [v3,1/2] platform/x86: wmi: Support reading/writing 16 bit EC values | expand

Commit Message

Armin Wolf March 8, 2024, 7:50 p.m. UTC 
If an error code other than EINVAL, ENODEV or ETIME is returned
by ec_read()/ec_write(), then AE_OK is wrongly returned.

Fix this by only returning AE_OK if the return code is 0, and
return AE_ERROR otherwise.

Tested on a Dell Inspiron 3505 and a Asus Prime B650-Plus.

Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
---
 drivers/platform/x86/wmi.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--
2.39.2
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Patch

diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index e6cab1cf611a..3f75220558aa 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -1216,8 +1216,10 @@  acpi_wmi_ec_space_handler(u32 function, acpi_physical_address address,
 		return AE_NOT_FOUND;
 	case -ETIME:
 		return AE_TIME;
-	default:
+	case 0:
 		return AE_OK;
+	default:
+		return AE_ERROR;
 	}
 }