[PATCH] unify sys_ptrace prototype

Make sure we always return, as all syscalls should.  Also move the common
prototype to <linux/syscalls.h>

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/arm/kernel/ptrace.c

@@ -782,7 +782,7 @@ static int do_ptrace(int request, struct task_struct *child, long addr, long dat
 	return ret;
 }
 
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
+asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	int ret;

arch/arm26/kernel/ptrace.c

@@ -665,7 +665,7 @@ static int do_ptrace(int request, struct task_struct *child, long addr, long dat
 	return ret;
 }
 
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
+asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	int ret;

arch/frv/kernel/ptrace.c

@@ -106,7 +106,7 @@ void ptrace_enable(struct task_struct *child)
 	child->thread.frame0->__status |= REG__STATUS_STEP;
 }
 
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
+asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	unsigned long tmp;

arch/h8300/kernel/ptrace.c

@@ -57,7 +57,7 @@ void ptrace_disable(struct task_struct *child)
 	h8300_disable_trace(child);
 }
 
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
+asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	int ret;

arch/i386/kernel/ptrace.c

@@ -354,7 +354,7 @@ ptrace_set_thread_area(struct task_struct *child,
 	return 0;
 }
 
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
+asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	struct user * dummy = NULL;

arch/ia64/ia32/sys_ia32.c

@@ -36,6 +36,7 @@
 #include <linux/uio.h>
 #include <linux/nfs_fs.h>
 #include <linux/quota.h>
+#include <linux/syscalls.h>
 #include <linux/sunrpc/svc.h>
 #include <linux/nfsd/nfsd.h>
 #include <linux/nfsd/cache.h>

arch/m32r/kernel/ptrace.c

@@ -756,7 +756,7 @@ do_ptrace(long request, struct task_struct *child, long addr, long data)
 	return ret;
 }
 
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
+asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	int ret;

arch/m68k/kernel/ptrace.c

@@ -121,7 +121,7 @@ void ptrace_disable(struct task_struct *child)
 	child->thread.work.syscall_trace = 0;
 }
 
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
+asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	unsigned long tmp;

arch/m68knommu/kernel/ptrace.c

@@ -101,7 +101,7 @@ void ptrace_disable(struct task_struct *child)
 	put_reg(child, PT_SR, tmp);
 }
 
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
+asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	int ret;

arch/mips/kernel/ptrace.c

@@ -174,7 +174,7 @@ int ptrace_setfpregs (struct task_struct *child, __u32 __user *data)
 	return 0;
 }
 
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
+asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	int ret;

arch/ppc/kernel/ptrace.c

@@ -240,7 +240,7 @@ void ptrace_disable(struct task_struct *child)
 	clear_single_step(child);
 }
 
-int sys_ptrace(long request, long pid, long addr, long data)
+long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	int ret = -EPERM;

arch/ppc64/kernel/ptrace.c

@@ -53,7 +53,7 @@ void ptrace_disable(struct task_struct *child)
 	clear_single_step(child);
 }
 
-int sys_ptrace(long request, long pid, long addr, long data)
+long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	int ret = -EPERM;

arch/sh/kernel/ptrace.c

@@ -80,7 +80,7 @@ void ptrace_disable(struct task_struct *child)
 	/* nothing to do.. */
 }
 
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
+asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	struct user * dummy = NULL;

arch/sh64/kernel/ptrace.c

@@ -121,7 +121,7 @@ put_fpu_long(struct task_struct *task, unsigned long addr, unsigned long data)
 	return 0;
 }
 
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
+asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	extern void poke_real_address_q(unsigned long long addr, unsigned long long data);

arch/um/include/sysdep-i386/syscalls.h

@@ -11,7 +11,6 @@ typedef long syscall_handler_t(struct pt_regs);
 /* Not declared on x86, incompatible declarations on x86_64, so these have
  * to go here rather than in sys_call_table.c
  */
-extern syscall_handler_t sys_ptrace;
 extern syscall_handler_t sys_rt_sigaction;
 
 extern syscall_handler_t old_mmap_i386;

arch/v850/kernel/ptrace.c

@@ -113,7 +113,7 @@ static int set_single_step (struct task_struct *t, int val)
 	return 1;
 }
 
-int sys_ptrace(long request, long pid, long addr, long data)
+long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	int rval;

arch/xtensa/kernel/ptrace.c

@@ -45,7 +45,7 @@ void ptrace_disable(struct task_struct *child)
 	/* Nothing to do.. */
 }
 
-int sys_ptrace(long request, long pid, long addr, long data)
+long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	int ret = -EPERM;

include/asm-arm/unistd.h

@@ -544,7 +544,6 @@ asmlinkage int sys_clone(unsigned long clone_flags, unsigned long newsp,
 asmlinkage int sys_fork(struct pt_regs *regs);
 asmlinkage int sys_vfork(struct pt_regs *regs);
 asmlinkage int sys_pipe(unsigned long *fildes);
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data);
 struct sigaction;
 asmlinkage long sys_rt_sigaction(int sig,
 				const struct sigaction __user *act,

include/asm-arm26/unistd.h

@@ -480,7 +480,6 @@ asmlinkage int sys_clone(unsigned long clone_flags, unsigned long newsp,
 asmlinkage int sys_fork(struct pt_regs *regs);
 asmlinkage int sys_vfork(struct pt_regs *regs);
 asmlinkage int sys_pipe(unsigned long *fildes);
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data);
 struct sigaction;
 asmlinkage long sys_rt_sigaction(int sig,
 				const struct sigaction __user *act,

include/asm-cris/unistd.h

@@ -367,7 +367,6 @@ asmlinkage int sys_fork(long r10, long r11, long r12, long r13,
 asmlinkage int sys_vfork(long r10, long r11, long r12, long r13,
 			long mof, long srp, struct pt_regs *regs);
 asmlinkage int sys_pipe(unsigned long __user *fildes);
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data);
 struct sigaction;
 asmlinkage long sys_rt_sigaction(int sig,
 				const struct sigaction __user *act,