From: Paolo 'Blaisorblade' Giarrusso <[email protected]>
Add the format attribute to prototypes so GCC warns about improper usage.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[email protected]>
---
arch/um/include/tt/tt.h | 3 ++-
arch/um/include/user.h | 6 ++++--
arch/um/include/user_util.h | 3 ++-
3 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/arch/um/include/tt/tt.h b/arch/um/include/tt/tt.h
index 8085219..acb8356 100644
--- a/arch/um/include/tt/tt.h
+++ b/arch/um/include/tt/tt.h
@@ -19,7 +19,8 @@ extern int fork_tramp(void *sig_stack);
extern int do_proc_op(void *t, int proc_id);
extern int tracer(int (*init_proc)(void *), void *sp);
extern void attach_process(int pid);
-extern void tracer_panic(char *format, ...);
+extern void tracer_panic(char *format, ...)
+ __attribute__ ((format (printf, 1, 2)));
extern void set_init_pid(int pid);
extern int set_user_mode(void *task);
extern void set_tracing(void *t, int tracing);
diff --git a/arch/um/include/user.h b/arch/um/include/user.h
index 91b0ac4..39f8c88 100644
--- a/arch/um/include/user.h
+++ b/arch/um/include/user.h
@@ -6,8 +6,10 @@
#ifndef __USER_H__
#define __USER_H__
-extern void panic(const char *fmt, ...);
-extern int printk(const char *fmt, ...);
+extern void panic(const char *fmt, ...)
+ __attribute__ ((format (printf, 1, 2)));
+extern int printk(const char *fmt, ...)
+ __attribute__ ((format (printf, 1, 2)));
extern void schedule(void);
extern void *um_kmalloc(int size);
extern void *um_kmalloc_atomic(int size);
diff --git a/arch/um/include/user_util.h b/arch/um/include/user_util.h
index fe0c29b..802d784 100644
--- a/arch/um/include/user_util.h
+++ b/arch/um/include/user_util.h
@@ -55,7 +55,8 @@ extern int get_pty(void);
extern void *um_kmalloc(int size);
extern int switcheroo(int fd, int prot, void *from, void *to, int size);
extern void do_exec(int old_pid, int new_pid);
-extern void tracer_panic(char *msg, ...);
+extern void tracer_panic(char *msg, ...)
+ __attribute__ ((format (printf, 1, 2)));
extern int detach(int pid, int sig);
extern int attach(int pid);
extern void kill_child_dead(int pid);
-
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