[PATCH] Make arch-independent syscalls return long

From: "Randy.Dunlap" <randy.dunlap@verizon.net>

Fix up various syscalls to return longs, as x86_64 and ia64 (at least)
require.

arch/x86_64/ia32/sys_ia32.c

@@ -2071,8 +2071,8 @@ long sys32_module_warning(void)
 	return -ENOSYS ;
 } 
 
-int sys_sched_getaffinity(pid_t pid, unsigned int len, unsigned long *new_mask_ptr); 
-int sys_sched_setaffinity(pid_t pid, unsigned int len, unsigned long *new_mask_ptr); 
+long sys_sched_getaffinity(pid_t pid, unsigned int len, unsigned long *new_mask_ptr); 
+long sys_sched_setaffinity(pid_t pid, unsigned int len, unsigned long *new_mask_ptr); 
 
 /* only works on LE */
 long sys32_sched_setaffinity(pid_t pid, unsigned int len,

fs/dcookies.c

@@ -142,7 +142,7 @@ int get_dcookie(struct dentry * dentry, struct vfsmount * vfsmnt,
 /* And here is where the userspace process can look up the cookie value
  * to retrieve the path.
  */
-asmlinkage int sys_lookup_dcookie(u64 cookie64, char * buf, size_t len)
+asmlinkage long sys_lookup_dcookie(u64 cookie64, char * buf, size_t len)
 {
 	unsigned long cookie = (unsigned long)cookie64;
 	int err = -EINVAL;

fs/readdir.c

@@ -85,7 +85,7 @@ static int fillonedir(void * __buf, const char * name, int namlen, loff_t offset
 	return 0;
 }
 
-asmlinkage int old_readdir(unsigned int fd, void * dirent, unsigned int count)
+asmlinkage long old_readdir(unsigned int fd, void * dirent, unsigned int count)
 {
 	int error;
 	struct file * file;

include/linux/mm.h

@@ -421,7 +421,7 @@ extern int install_page(struct mm_struct *mm, struct vm_area_struct *vma, unsign
 extern int handle_mm_fault(struct mm_struct *mm,struct vm_area_struct *vma, unsigned long address, int write_access);
 extern int make_pages_present(unsigned long addr, unsigned long end);
 extern int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len, int write);
-extern int sys_remap_file_pages(unsigned long start, unsigned long size, unsigned long prot, unsigned long pgoff, unsigned long nonblock);
+extern long sys_remap_file_pages(unsigned long start, unsigned long size, unsigned long prot, unsigned long pgoff, unsigned long nonblock);
 
 
 int get_user_pages(struct task_struct *tsk, struct mm_struct *mm, unsigned long start,

kernel/fork.c

@@ -736,7 +736,7 @@ static inline void copy_flags(unsigned long clone_flags, struct task_struct *p)
 	p->flags = new_flags;
 }
 
-asmlinkage int sys_set_tid_address(int *tidptr)
+asmlinkage long sys_set_tid_address(int *tidptr)
 {
 	current->clear_child_tid = tidptr;
 

kernel/sched.c

@@ -1902,7 +1902,7 @@ asmlinkage long sys_sched_getparam(pid_t pid, struct sched_param *param)
  * @len: length in bytes of the bitmask pointed to by user_mask_ptr
  * @user_mask_ptr: user-space pointer to the new cpu mask
  */
-asmlinkage int sys_sched_setaffinity(pid_t pid, unsigned int len,
+asmlinkage long sys_sched_setaffinity(pid_t pid, unsigned int len,
 				      unsigned long *user_mask_ptr)
 {
 	unsigned long new_mask;
@@ -1954,7 +1954,7 @@ asmlinkage int sys_sched_setaffinity(pid_t pid, unsigned int len,
  * @len: length in bytes of the bitmask pointed to by user_mask_ptr
  * @user_mask_ptr: user-space pointer to hold the current cpu mask
  */
-asmlinkage int sys_sched_getaffinity(pid_t pid, unsigned int len,
+asmlinkage long sys_sched_getaffinity(pid_t pid, unsigned int len,
 				      unsigned long *user_mask_ptr)
 {
 	unsigned int real_len;

kernel/signal.c

@@ -2254,7 +2254,7 @@ sys_signal(int sig, __sighandler_t handler)
 
 #ifndef HAVE_ARCH_SYS_PAUSE
 
-asmlinkage int
+asmlinkage long
 sys_pause(void)
 {
 	current->state = TASK_INTERRUPTIBLE;

mm/fremap.c

@@ -113,7 +113,7 @@ int install_page(struct mm_struct *mm, struct vm_area_struct *vma,
  * protection is used. Arbitrary protections might be implemented in the
  * future.
  */
-int sys_remap_file_pages(unsigned long start, unsigned long size,
+long sys_remap_file_pages(unsigned long start, unsigned long size,
 	unsigned long __prot, unsigned long pgoff, unsigned long flags)
 {
 	struct mm_struct *mm = current->mm;