diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-12-25 18:56:13 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-02-14 09:17:53 -0500 |
| commit | 02323a9d92a1acc0bbc40239a0a3a91bffa0dad3 (patch) | |
| tree | be1c0e16c6f2a03fc7197c31275fa3235a5cd91e /arch/arm64 | |
| parent | 84b9e9b402386edf12664e37ee1f2e503472fb5e (diff) | |
arm64: switch to generic compat rt_sigaction()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm64/kernel/signal32.c | 41 |
2 files changed, 1 insertions, 41 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 8ae01ea98c1..24dce472a77 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -6,6 +6,7 @@ config ARM64 select CLONE_BACKWARDS select COMMON_CLK select GENERIC_CLOCKEVENTS + select GENERIC_COMPAT_RT_SIGACTION select GENERIC_COMPAT_RT_SIGPENDING select GENERIC_COMPAT_RT_SIGPROCMASK select GENERIC_COMPAT_RT_SIGQUEUEINFO diff --git a/arch/arm64/kernel/signal32.c b/arch/arm64/kernel/signal32.c index a1bd4395a62..892b9dfb551 100644 --- a/arch/arm64/kernel/signal32.c +++ b/arch/arm64/kernel/signal32.c @@ -28,13 +28,6 @@ #include <asm/uaccess.h> #include <asm/unistd32.h> -struct compat_sigaction { - compat_uptr_t sa_handler; - compat_ulong_t sa_flags; - compat_uptr_t sa_restorer; - compat_sigset_t sa_mask; -}; - struct compat_old_sigaction { compat_uptr_t sa_handler; compat_old_sigset_t sa_mask; @@ -371,40 +364,6 @@ asmlinkage int compat_sys_sigaction(int sig, return ret; } -asmlinkage int compat_sys_rt_sigaction(int sig, - const struct compat_sigaction __user *act, - struct compat_sigaction __user *oact, - compat_size_t sigsetsize) -{ - struct k_sigaction new_ka, old_ka; - int ret; - - /* XXX: Don't preclude handling different sized sigset_t's. */ - if (sigsetsize != sizeof(compat_sigset_t)) - return -EINVAL; - - if (act) { - compat_uptr_t handler, restorer; - - ret = get_user(handler, &act->sa_handler); - new_ka.sa.sa_handler = compat_ptr(handler); - ret |= get_user(restorer, &act->sa_restorer); - new_ka.sa.sa_restorer = compat_ptr(restorer); - ret |= get_sigset_t(&new_ka.sa.sa_mask, &act->sa_mask); - ret |= __get_user(new_ka.sa.sa_flags, &act->sa_flags); - if (ret) - return -EFAULT; - } - - ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); - if (!ret && oact) { - ret = put_user(ptr_to_compat(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); - } - return ret; -} - static int compat_restore_sigframe(struct pt_regs *regs, struct compat_sigframe __user *sf) { |