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| author | Jeff Garzik <jgarzik@pobox.com> | 2006-02-09 14:17:05 -0500 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2006-02-09 14:17:05 -0500 |
| commit | 70c07e02625ec46d0ffbfce1acef42d660803528 (patch) | |
| tree | f500f1a4f93e72747fb08b0eefabb167dcdc5db9 /arch/powerpc/kernel/signal_32.c | |
| parent | 5d1769ac3d0ea5ff3a286b097c21faaf6a9e6859 (diff) | |
| parent | 2746b8623abce815aaae7afc946b1b39f8436f5a (diff) | |
| download | blackbird-op-linux-70c07e02625ec46d0ffbfce1acef42d660803528.tar.gz blackbird-op-linux-70c07e02625ec46d0ffbfce1acef42d660803528.zip | |
Merge branch 'viro'
Diffstat (limited to 'arch/powerpc/kernel/signal_32.c')
| -rw-r--r-- | arch/powerpc/kernel/signal_32.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index c6d0595da6b5..bd837b5dbf06 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -142,11 +142,7 @@ static inline int get_old_sigaction(struct k_sigaction *new_ka, return 0; } -static inline compat_uptr_t to_user_ptr(void *kp) -{ - return (compat_uptr_t)(u64)kp; -} - +#define to_user_ptr(p) ptr_to_compat(p) #define from_user_ptr(p) compat_ptr(p) static inline int save_general_regs(struct pt_regs *regs, @@ -213,8 +209,8 @@ static inline int get_old_sigaction(struct k_sigaction *new_ka, return 0; } -#define to_user_ptr(p) (p) -#define from_user_ptr(p) (p) +#define to_user_ptr(p) ((unsigned long)(p)) +#define from_user_ptr(p) ((void __user *)(p)) static inline int save_general_regs(struct pt_regs *regs, struct mcontext __user *frame) @@ -526,7 +522,7 @@ long compat_sys_rt_sigaction(int sig, const struct sigaction32 __user *act, ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); if (!ret && oact) { - ret = put_user((long)old_ka.sa.sa_handler, &oact->sa_handler); + ret = put_user(to_user_ptr(old_ka.sa.sa_handler), &oact->sa_handler); ret |= put_sigset_t(&oact->sa_mask, &old_ka.sa.sa_mask); ret |= __put_user(old_ka.sa.sa_flags, &oact->sa_flags); } @@ -675,8 +671,8 @@ long compat_sys_rt_sigqueueinfo(u32 pid, u32 sig, compat_siginfo_t __user *uinfo int compat_sys_sigaltstack(u32 __new, u32 __old, int r5, int r6, int r7, int r8, struct pt_regs *regs) { - stack_32_t __user * newstack = (stack_32_t __user *)(long) __new; - stack_32_t __user * oldstack = (stack_32_t __user *)(long) __old; + stack_32_t __user * newstack = compat_ptr(__new); + stack_32_t __user * oldstack = compat_ptr(__old); stack_t uss, uoss; int ret; mm_segment_t old_fs; @@ -708,7 +704,7 @@ int compat_sys_sigaltstack(u32 __new, u32 __old, int r5, set_fs(old_fs); /* Copy the stack information to the user output buffer */ if (!ret && oldstack && - (put_user((long)uoss.ss_sp, &oldstack->ss_sp) || + (put_user(ptr_to_compat(uoss.ss_sp), &oldstack->ss_sp) || __put_user(uoss.ss_flags, &oldstack->ss_flags) || __put_user(uoss.ss_size, &oldstack->ss_size))) return -EFAULT; |
