[PATCH 14/20] ACPI: thinkpad-acpi: mark acpi helper functions __must_check

[Henrique de Moraes Holschuh <hmh-N3TV7GIv+o9fyO9Q7EP/yw@public.gmane.org>]

Mark acpi_evalf and friends __must_check.

Signed-off-by: Henrique de Moraes Holschuh <hmh-N3TV7GIv+o9fyO9Q7EP/yw@public.gmane.org>
---
 drivers/misc/thinkpad_acpi.h |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/misc/thinkpad_acpi.h b/drivers/misc/thinkpad_acpi.h
index 529528c..1b4cd16 100644
--- a/drivers/misc/thinkpad_acpi.h
+++ b/drivers/misc/thinkpad_acpi.h
@@ -97,11 +97,11 @@ static const char *str_supported(int is_supported);
 #define IBM_PCI_HID     "PNP0A03"
 
 /* ACPI helpers */
-static int acpi_evalf(acpi_handle handle,
+static int __must_check acpi_evalf(acpi_handle handle,
 		      void *res, char *method, char *fmt, ...);
-static int acpi_ec_read(int i, u8 * p);
-static int acpi_ec_write(int i, u8 v);
-static int _sta(acpi_handle handle);
+static int __must_check acpi_ec_read(int i, u8 * p);
+static int __must_check acpi_ec_write(int i, u8 v);
+static int __must_check _sta(acpi_handle handle);
 
 /* ACPI handles */
 static acpi_handle root_handle;			/* root namespace */
-- 
1.5.1


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