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[MIPS] Signal cleanup

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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>
This commit is contained in:
Atsushi Nemoto
2006-02-19 23:46:44 +09:00
committed by Ralf Baechle
parent 6254944faf
commit 9c6031cc93
5 changed files with 35 additions and 33 deletions
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24
arch/mips/kernel/signal32.c
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@@ -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;