From 68f3f16d9ad0f1e28ab3fd0001ab5798c41f15a3 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 21 May 2012 21:42:32 -0400 Subject: new helper: sigsuspend() guts of saved_sigmask-based sigsuspend/rt_sigsuspend. Takes kernel sigset_t *. Open-coded instances replaced with calling it. Signed-off-by: Al Viro --- arch/powerpc/kernel/signal_32.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) (limited to 'arch/powerpc') diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index 45eb998557f..ac1f96027bf 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -244,17 +244,8 @@ static inline int restore_general_regs(struct pt_regs *regs, long sys_sigsuspend(old_sigset_t mask) { sigset_t blocked; - - current->saved_sigmask = current->blocked; - - mask &= _BLOCKABLE; siginitset(&blocked, mask); - set_current_blocked(&blocked); - - current->state = TASK_INTERRUPTIBLE; - schedule(); - set_restore_sigmask(); - return -ERESTARTNOHAND; + return sigsuspend(&blocked); } long sys_sigaction(int sig, struct old_sigaction __user *act, -- cgit v1.2.3-70-g09d2 From 43f16819d54e12c025cf8400b8572017e631d948 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 22 Apr 2012 17:01:49 -0400 Subject: powerpc: missing checks of __get_user()/__put_user() return values Signed-off-by: Al Viro --- arch/powerpc/kernel/signal_32.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'arch/powerpc') diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index ac1f96027bf..61f6aff25ed 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -204,10 +204,10 @@ static inline int get_old_sigaction(struct k_sigaction *new_ka, if (!access_ok(VERIFY_READ, act, sizeof(*act)) || __get_user(new_ka->sa.sa_handler, &act->sa_handler) || - __get_user(new_ka->sa.sa_restorer, &act->sa_restorer)) + __get_user(new_ka->sa.sa_restorer, &act->sa_restorer) || + __get_user(new_ka->sa.sa_flags, &act->sa_flags) || + __get_user(mask, &act->sa_mask)) return -EFAULT; - __get_user(new_ka->sa.sa_flags, &act->sa_flags); - __get_user(mask, &act->sa_mask); siginitset(&new_ka->sa.sa_mask, mask); return 0; } -- cgit v1.2.3-70-g09d2