Use acpi_format_exception() in acpi_evalf() instead of logging numeric
errors.
Also, when ACPICA returns an error, we should not be touching the return
object, as it is invalid. In debug mode, acpi_evalf() callers would
printk the returned crap (but fortunately, not use it).
Signed-off-by: Henrique de Moraes Holschuh <h...@hmh.eng.br>
---
drivers/platform/x86/thinkpad_acpi.c | 9 +++++----
1 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/platform/x86/thinkpad_acpi.c
b/drivers/platform/x86/thinkpad_acpi.c
index 877a780..da3a70b 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -605,9 +605,10 @@ static int acpi_evalf(acpi_handle handle,
switch (res_type) {
case 'd': /* int */
- if (res)
+ success = (status == AE_OK &&
+ out_obj.type == ACPI_TYPE_INTEGER);
+ if (success && res)
*(int *)res = out_obj.integer.value;
- success = status == AE_OK && out_obj.type == ACPI_TYPE_INTEGER;
break;
case 'v': /* void */
success = status == AE_OK;
@@ -620,8 +621,8 @@ static int acpi_evalf(acpi_handle handle,
}
if (!success && !quiet)
- printk(TPACPI_ERR "acpi_evalf(%s, %s, ...) failed: %d\n",
- method, fmt0, status);
+ printk(TPACPI_ERR "acpi_evalf(%s, %s, ...) failed: %s\n",
+ method, fmt0, acpi_format_exception(status));
return success;
}
--
1.7.1
------------------------------------------------------------------------------
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