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author | Randy Dunlap <rdunlap@infradead.org> | 2018-07-07 18:25:01 +0300 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2018-07-09 12:32:44 +0300 |
commit | 2c4c2a71bd6f75c3982ac09407889b110673ac83 (patch) | |
tree | 44979ec4e5ecc836c60cd00728e0436374400a8e | |
parent | 7c058c7c74b3dbeb7d157c273959f87faf710350 (diff) | |
download | linux-2c4c2a71bd6f75c3982ac09407889b110673ac83.tar.xz |
ACPI / button: fix defined but not used warning
Fix a build warning in the ACPI button driver when CONFIG_PROC_FS
is not enabled by marking the unused function as __maybe_unused.
../drivers/acpi/button.c:252:12: warning: 'acpi_button_state_seq_show' defined but not used [-Wunused-function]
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
-rw-r--r-- | drivers/acpi/button.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index 40ed3ec9fc94..a19ff3977ac4 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -21,6 +21,7 @@ #define pr_fmt(fmt) "ACPI: button: " fmt +#include <linux/compiler.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> @@ -249,7 +250,8 @@ static int acpi_lid_notify_state(struct acpi_device *device, int state) return ret; } -static int acpi_button_state_seq_show(struct seq_file *seq, void *offset) +static int __maybe_unused acpi_button_state_seq_show(struct seq_file *seq, + void *offset) { struct acpi_device *device = seq->private; int state; |