[MIPS] Signal cleanup

    
Move function prototypes to asm/signal.h to detect trivial errors and
add some __user tags to get rid of sparse warnings.  Generated code
should not be changed.
    
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 12 insertions, 12 deletions

diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c
index f2791a1e7609..1c7241ba6924 100644
--- a/arch/mips/kernel/signal32.c
+++ b/arch/mips/kernel/signal32.c
@@ -163,7 +163,7 @@ static inline int put_sigset(const sigset_t *kbuf, compat_sigset_t __user *ubuf)
         return err;
 }
 
-static inline int get_sigset(sigset_t *kbuf, const compat_sigset_t *ubuf)
+static inline int get_sigset(sigset_t *kbuf, const compat_sigset_t __user *ubuf)
 {
         int err = 0;
         unsigned long sig[4];
@@ -195,10 +195,10 @@ save_static_function(sys32_sigsuspend);
 __attribute_used__ noinline static int
 _sys32_sigsuspend(nabi_no_regargs struct pt_regs regs)
 {
-        compat_sigset_t *uset;
+        compat_sigset_t __user *uset;
         sigset_t newset;
 
-        uset = (compat_sigset_t *) regs.regs[4];
+        uset = (compat_sigset_t __user *) regs.regs[4];
         if (get_sigset(&newset, uset))
                 return -EFAULT;
         sigdelsetmask(&newset, ~_BLOCKABLE);
@@ -219,7 +219,7 @@ save_static_function(sys32_rt_sigsuspend);
 __attribute_used__ noinline static int
 _sys32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
 {
-        compat_sigset_t *uset;
+        compat_sigset_t __user *uset;
         sigset_t newset;
         size_t sigsetsize;
 
@@ -228,7 +228,7 @@ _sys32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
         if (sigsetsize != sizeof(compat_sigset_t))
                 return -EINVAL;
 
-        uset = (compat_sigset_t *) regs.regs[4];
+        uset = (compat_sigset_t __user *) regs.regs[4];
         if (get_sigset(&newset, uset))
                 return -EFAULT;
         sigdelsetmask(&newset, ~_BLOCKABLE);
@@ -245,8 +245,8 @@ _sys32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
         return -ERESTARTNOHAND;
 }
 
-asmlinkage int sys32_sigaction(int sig, const struct sigaction32 *act,
-                               struct sigaction32 *oact)
+asmlinkage int sys32_sigaction(int sig, const struct sigaction32 __user *act,
+                               struct sigaction32 __user *oact)
 {
         struct k_sigaction new_ka, old_ka;
         int ret;
@@ -301,7 +301,7 @@ asmlinkage int sys32_sigaltstack(nabi_no_regargs struct pt_regs regs)
                 if (!access_ok(VERIFY_READ, uss, sizeof(*uss)))
                         return -EFAULT;
                 err |= __get_user(sp, &uss->ss_sp);
-                kss.ss_sp = (void *) (long) sp;
+                kss.ss_sp = (void __user *) (long) sp;
                 err |= __get_user(kss.ss_size, &uss->ss_size);
                 err |= __get_user(kss.ss_flags, &uss->ss_flags);
                 if (err)
@@ -316,7 +316,7 @@ asmlinkage int sys32_sigaltstack(nabi_no_regargs struct pt_regs regs)
         if (!ret && uoss) {
                 if (!access_ok(VERIFY_WRITE, uoss, sizeof(*uoss)))
                         return -EFAULT;
-                sp = (int) (long) koss.ss_sp;
+                sp = (int) (unsigned long) koss.ss_sp;
                 err |= __put_user(sp, &uoss->ss_sp);
                 err |= __put_user(koss.ss_size, &uoss->ss_size);
                 err |= __put_user(koss.ss_flags, &uoss->ss_flags);
@@ -527,7 +527,7 @@ _sys32_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
         /* The ucontext contains a stack32_t, so we must convert!  */
         if (__get_user(sp, &frame->rs_uc.uc_stack.ss_sp))
                 goto badframe;
-        st.ss_sp = (void *)(long) sp;
+        st.ss_sp = (void __user *)(long) sp;
         if (__get_user(st.ss_size, &frame->rs_uc.uc_stack.ss_size))
                 goto badframe;
         if (__get_user(st.ss_flags, &frame->rs_uc.uc_stack.ss_flags))
@@ -868,7 +868,7 @@ no_signal:
         }
 }
 
-asmlinkage int sys32_rt_sigaction(int sig, const struct sigaction32 *act,
+asmlinkage int sys32_rt_sigaction(int sig, const struct sigaction32 __user *act,
                                   struct sigaction32 __user *oact,
                                   unsigned int sigsetsize)
 {
@@ -912,7 +912,7 @@ out:
         return ret;
 }
 
-asmlinkage int sys32_rt_sigprocmask(int how, compat_sigset_t *set,
+asmlinkage int sys32_rt_sigprocmask(int how, compat_sigset_t __user *set,
         compat_sigset_t __user *oset, unsigned int sigsetsize)
 {
         sigset_t old_set, new_set;