x86: sys32_kill and sys32_mprotect are pointless

their argument types are identical to those of sys_kill and sys_mprotect
resp., so we are not doing any kind of argument validation, etc. in those -
they turn into unconditional branches to corresponding syscalls.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

arch/x86/ia32/sys_ia32.c

@@ -166,12 +166,6 @@ asmlinkage long sys32_mmap(struct mmap_arg_struct32 __user *arg)
 			       a.offset>>PAGE_SHIFT);
 }
 
-asmlinkage long sys32_mprotect(unsigned long start, size_t len,
-			       unsigned long prot)
-{
-	return sys_mprotect(start, len, prot);
-}
-
 asmlinkage long sys32_waitpid(compat_pid_t pid, unsigned int __user *stat_addr,
 			      int options)
 {
@@ -198,11 +192,6 @@ asmlinkage long sys32_pwrite(unsigned int fd, const char __user *ubuf,
  * Some system calls that need sign extended arguments. This could be
  * done by a generic wrapper.
  */
-long sys32_kill(int pid, int sig)
-{
-	return sys_kill(pid, sig);
-}
-
 long sys32_fadvise64_64(int fd, __u32 offset_low, __u32 offset_high,
 			__u32 len_low, __u32 len_high, int advice)
 {

arch/x86/include/asm/sys_ia32.h

@@ -30,7 +30,6 @@ asmlinkage long sys32_fstatat(unsigned int, const char __user *,
 			      struct stat64 __user *, int);
 struct mmap_arg_struct32;
 asmlinkage long sys32_mmap(struct mmap_arg_struct32 __user *);
-asmlinkage long sys32_mprotect(unsigned long, size_t, unsigned long);
 
 asmlinkage long sys32_alarm(unsigned int);
 
@@ -42,7 +41,6 @@ asmlinkage long sys32_pwrite(unsigned int, const char __user *, u32, u32, u32);
 
 asmlinkage long sys32_personality(unsigned long);
 
-long sys32_kill(int, int);
 long sys32_fadvise64_64(int, __u32, __u32, __u32, __u32, int);
 long sys32_vm86_warning(void);
 

arch/x86/syscalls/syscall_32.tbl

@@ -43,7 +43,7 @@
 34	i386	nice			sys_nice
 35	i386	ftime
 36	i386	sync			sys_sync
-37	i386	kill			sys_kill			sys32_kill
+37	i386	kill			sys_kill
 38	i386	rename			sys_rename
 39	i386	mkdir			sys_mkdir
 40	i386	rmdir			sys_rmdir
@@ -131,7 +131,7 @@
 122	i386	uname			sys_newuname
 123	i386	modify_ldt		sys_modify_ldt
 124	i386	adjtimex		sys_adjtimex			compat_sys_adjtimex
-125	i386	mprotect		sys_mprotect			sys32_mprotect
+125	i386	mprotect		sys_mprotect
 126	i386	sigprocmask		sys_sigprocmask			compat_sys_sigprocmask
 127	i386	create_module
 128	i386	init_module		sys_init_module