We get 1 warning when building kernel with W=1: drivers/staging/android/sw_sync.c:56:23: warning: no previous prototype for 'sync_timeline_create' [-Wmissing-prototypes] In fact, this function is only used in the file in which it is declared and don't need a declaration, but can be made static. so this patch marks this function with 'static'. Signed-off-by: Baoyou Xie <baoyou.xie@xxxxxxxxxx> --- drivers/staging/android/sw_sync.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/android/sw_sync.c b/drivers/staging/android/sw_sync.c index 115c917..99a197c 100644 --- a/drivers/staging/android/sw_sync.c +++ b/drivers/staging/android/sw_sync.c @@ -53,7 +53,7 @@ static inline struct sync_pt *fence_to_sync_pt(struct fence *fence) * Creates a new sync_timeline. Returns the sync_timeline object or NULL in * case of error. */ -struct sync_timeline *sync_timeline_create(const char *name) +static struct sync_timeline *sync_timeline_create(const char *name) { struct sync_timeline *obj; -- 2.7.4 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel