[MIPS] Sparse: Add __user tags to syscall.c

    
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

---

1 files changed, 26 insertions, 22 deletions

diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c
index 332358430ff..1da2eeb3ef9 100644
--- a/arch/mips/kernel/syscall.c
+++ b/arch/mips/kernel/syscall.c
@@ -212,12 +212,12 @@ asmlinkage int sys_execve(nabi_no_regargs struct pt_regs regs)
         int error;
         char * filename;
 
-        filename = getname((char *) (long)regs.regs[4]);
+        filename = getname((char __user *) (long)regs.regs[4]);
         error = PTR_ERR(filename);
         if (IS_ERR(filename))
                 goto out;
-        error = do_execve(filename, (char **) (long)regs.regs[5],
-                          (char **) (long)regs.regs[6], &regs);
+        error = do_execve(filename, (char __user *__user *) (long)regs.regs[5],
+                          (char __user *__user *) (long)regs.regs[6], &regs);
         putname(filename);
 
 out:
@@ -227,7 +227,7 @@ out:
 /*
  * Compacrapability ...
  */
-asmlinkage int sys_uname(struct old_utsname * name)
+asmlinkage int sys_uname(struct old_utsname __user * name)
 {
         if (name && !copy_to_user(name, &system_utsname, sizeof (*name)))
                 return 0;
@@ -237,7 +237,7 @@ asmlinkage int sys_uname(struct old_utsname * name)
 /*
  * Compacrapability ...
  */
-asmlinkage int sys_olduname(struct oldold_utsname * name)
+asmlinkage int sys_olduname(struct oldold_utsname __user * name)
 {
         int error;
 
@@ -274,7 +274,7 @@ void sys_set_thread_area(unsigned long addr)
 asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3)
 {
         int     tmp, len;
-        char    *name;
+        char    __user *name;
 
         switch(cmd) {
         case SETNAME: {
@@ -283,7 +283,7 @@ asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3)
                 if (!capable(CAP_SYS_ADMIN))
                         return -EPERM;
 
-                name = (char *) arg1;
+                name = (char __user *) arg1;
 
                 len = strncpy_from_user(nodename, name, __NEW_UTS_LEN);
                 if (len < 0)
@@ -324,7 +324,7 @@ asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3)
  * This is really horribly ugly.
  */
 asmlinkage int sys_ipc (uint call, int first, int second,
-                        unsigned long third, void *ptr, long fifth)
+                        unsigned long third, void __user *ptr, long fifth)
 {
         int version, ret;
 
@@ -333,24 +333,25 @@ asmlinkage int sys_ipc (uint call, int first, int second,
 
         switch (call) {
         case SEMOP:
-                return sys_semtimedop (first, (struct sembuf *)ptr, second,
-                                       NULL);
+                return sys_semtimedop (first, (struct sembuf __user *)ptr,
+                                       second, NULL);
         case SEMTIMEDOP:
-                return sys_semtimedop (first, (struct sembuf *)ptr, second,
-                                       (const struct timespec __user *)fifth);
+                return sys_semtimedop (first, (struct sembuf __user *)ptr,
+                                       second,
+                                       (const struct timespec __user *)fifth);
         case SEMGET:
                 return sys_semget (first, second, third);
         case SEMCTL: {
                 union semun fourth;
                 if (!ptr)
                         return -EINVAL;
-                if (get_user(fourth.__pad, (void **) ptr))
+                if (get_user(fourth.__pad, (void *__user *) ptr))
                         return -EFAULT;
                 return sys_semctl (first, second, third, fourth);
         }
 
         case MSGSND:
-                return sys_msgsnd (first, (struct msgbuf *) ptr,
+                return sys_msgsnd (first, (struct msgbuf __user *) ptr,
                                    second, third);
         case MSGRCV:
                 switch (version) {
@@ -360,7 +361,7 @@ asmlinkage int sys_ipc (uint call, int first, int second,
                                 return -EINVAL;
 
                         if (copy_from_user(&tmp,
-                                           (struct ipc_kludge *) ptr,
+                                           (struct ipc_kludge __user *) ptr,
                                            sizeof (tmp)))
                                 return -EFAULT;
                         return sys_msgrcv (first, tmp.msgp, second,
@@ -368,35 +369,38 @@ asmlinkage int sys_ipc (uint call, int first, int second,
                 }
                 default:
                         return sys_msgrcv (first,
-                                           (struct msgbuf *) ptr,
+                                           (struct msgbuf __user *) ptr,
                                            second, fifth, third);
                 }
         case MSGGET:
                 return sys_msgget ((key_t) first, second);
         case MSGCTL:
-                return sys_msgctl (first, second, (struct msqid_ds *) ptr);
+                return sys_msgctl (first, second,
+                                   (struct msqid_ds __user *) ptr);
 
         case SHMAT:
                 switch (version) {
                 default: {
                         ulong raddr;
-                        ret = do_shmat (first, (char *) ptr, second, &raddr);
+                        ret = do_shmat (first, (char __user *) ptr, second,
+                                        &raddr);
                         if (ret)
                                 return ret;
-                        return put_user (raddr, (ulong *) third);
+                        return put_user (raddr, (ulong __user *) third);
                 }
                 case 1: /* iBCS2 emulator entry point */
                         if (!segment_eq(get_fs(), get_ds()))
                                 return -EINVAL;
-                        return do_shmat (first, (char *) ptr, second, (ulong *) third);
+                        return do_shmat (first, (char __user *) ptr, second,
+                                         (ulong *) third);
                 }
         case SHMDT:
-                return sys_shmdt ((char *)ptr);
+                return sys_shmdt ((char __user *)ptr);
         case SHMGET:
                 return sys_shmget (first, second, third);
         case SHMCTL:
                 return sys_shmctl (first, second,
-                                   (struct shmid_ds *) ptr);
+                                   (struct shmid_ds __user *) ptr);
         default:
                 return -ENOSYS;
         }