Move relevant declarations to this header. This will address below -Wmissing-prototypes warnings:
arch/um/os-Linux/elf_aux.c:26:13: warning: no previous prototype for ‘scan_elf_aux’ [-Wmissing-prototypes] arch/um/os-Linux/mem.c:213:13: warning: no previous prototype for ‘check_tmpexec’ [-Wmissing-prototypes] arch/um/os-Linux/skas/process.c:107:6: warning: no previous prototype for ‘wait_stub_done’ [-Wmissing-prototypes] Signed-off-by: Tiwei Bie <tiwei....@antgroup.com> --- arch/um/os-Linux/internal.h | 20 ++++++++++++++++++++ arch/um/os-Linux/main.c | 2 -- arch/um/os-Linux/skas/mem.c | 2 -- arch/um/os-Linux/start_up.c | 2 -- arch/um/scripts/Makefile.rules | 3 ++- 5 files changed, 22 insertions(+), 7 deletions(-) create mode 100644 arch/um/os-Linux/internal.h diff --git a/arch/um/os-Linux/internal.h b/arch/um/os-Linux/internal.h new file mode 100644 index 000000000000..2a0ea7853658 --- /dev/null +++ b/arch/um/os-Linux/internal.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __UM_OS_LINUX_INTERNAL_H +#define __UM_OS_LINUX_INTERNAL_H + +/* + * elf_aux.c + */ +extern void scan_elf_aux(char **envp); + +/* + * mem.c + */ +extern void check_tmpexec(void); + +/* + * skas/process.c + */ +extern void wait_stub_done(int pid); + +#endif /* __UM_OS_LINUX_INTERNAL_H */ diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c index e82164f90288..9880cfcb9b8a 100644 --- a/arch/um/os-Linux/main.c +++ b/arch/um/os-Linux/main.c @@ -102,8 +102,6 @@ static void setup_env_path(void) } } -extern void scan_elf_aux( char **envp); - int __init main(int argc, char **argv, char **envp) { char **new_argv; diff --git a/arch/um/os-Linux/skas/mem.c b/arch/um/os-Linux/skas/mem.c index 953fb10f3f93..1b0502fb5c75 100644 --- a/arch/um/os-Linux/skas/mem.c +++ b/arch/um/os-Linux/skas/mem.c @@ -20,8 +20,6 @@ extern char batch_syscall_stub[], __syscall_stub_start[]; -extern void wait_stub_done(int pid); - static inline unsigned long *check_init_stack(struct mm_id * mm_idp, unsigned long *stack) { diff --git a/arch/um/os-Linux/start_up.c b/arch/um/os-Linux/start_up.c index 6b21061c431c..f920c837428e 100644 --- a/arch/um/os-Linux/start_up.c +++ b/arch/um/os-Linux/start_up.c @@ -222,8 +222,6 @@ static void __init check_ptrace(void) check_sysemu(); } -extern void check_tmpexec(void); - static void __init check_coredump_limit(void) { struct rlimit lim; diff --git a/arch/um/scripts/Makefile.rules b/arch/um/scripts/Makefile.rules index a8b7d9dab0a6..b8ea5f3bb1fb 100644 --- a/arch/um/scripts/Makefile.rules +++ b/arch/um/scripts/Makefile.rules @@ -9,7 +9,8 @@ USER_OBJS += $(filter %_user.o,$(obj-y) $(USER_SINGLE_OBJS)) USER_OBJS := $(foreach file,$(USER_OBJS),$(obj)/$(file)) $(USER_OBJS:.o=.%): \ - c_flags = -Wp,-MD,$(depfile) $(USER_CFLAGS) -include $(srctree)/include/linux/kern_levels.h -include user.h $(CFLAGS_$(basetarget).o) + c_flags = -Wp,-MD,$(depfile) $(USER_CFLAGS) -include $(srctree)/include/linux/kern_levels.h \ + -include user.h -include $(srctree)/arch/um/os-Linux/internal.h $(CFLAGS_$(basetarget).o) # These are like USER_OBJS but filter USER_CFLAGS through unprofile instead of # using it directly. -- 2.34.1