In commit 55ccf3fe3f9a ("fork: move the real prepare_to_copy() users to arch_dup_task_struct()") a new arch_dup_task_struct was added without a prototype declared in thread_info.h header. Fix the following warning (treated as error in W=1):
CC arch/powerpc/kernel/process.o arch/powerpc/kernel/process.c:1609:5: error: no previous prototype for ‘arch_dup_task_struct’ [-Werror=missing-prototypes] int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src) ^~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors Signed-off-by: Mathieu Malaterre <ma...@debian.org> --- arch/powerpc/include/asm/thread_info.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h index 4a12c00f8de3..5964145db03d 100644 --- a/arch/powerpc/include/asm/thread_info.h +++ b/arch/powerpc/include/asm/thread_info.h @@ -70,6 +70,7 @@ static inline struct thread_info *current_thread_info(void) return (struct thread_info *)val; } +extern int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src); #endif /* __ASSEMBLY__ */ /* -- 2.11.0