diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/microblaze/kernel/signal.c | 31 |
1 files changed, 18 insertions, 13 deletions
diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c index 9e749c032af8..f2c13d5a6261 100644 --- a/arch/microblaze/kernel/signal.c +++ b/arch/microblaze/kernel/signal.c @@ -169,7 +169,7 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size) return (void __user *)((sp - frame_size) & -8UL); } -static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, +static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *set, struct pt_regs *regs) { struct rt_sigframe __user *frame; @@ -267,10 +267,11 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, current->comm, current->pid, frame, regs->pc); #endif - return; + return 0; give_sigsegv: force_sigsegv(sig, current); + return -EFAULT; } /* Handle restarting system calls */ @@ -314,21 +315,25 @@ static int handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *oldset, struct pt_regs *regs) { + int ret; + /* Set up the stack frame */ if (ka->sa.sa_flags & SA_SIGINFO) - setup_rt_frame(sig, ka, info, oldset, regs); + ret = setup_rt_frame(sig, ka, info, oldset, regs); else - setup_rt_frame(sig, ka, NULL, oldset, regs); + ret = setup_rt_frame(sig, ka, NULL, oldset, regs); + + if (ret) + return ret; - if (!(ka->sa.sa_flags & SA_NODEFER)) { - spin_lock_irq(¤t->sighand->siglock); - sigorsets(¤t->blocked, - ¤t->blocked, &ka->sa.sa_mask); + spin_lock_irq(¤t->sighand->siglock); + sigorsets(¤t->blocked, ¤t->blocked, &ka->sa.sa_mask); + if (!(ka->sa.sa_flags & SA_NODEFER)) sigaddset(¤t->blocked, sig); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - } - return 1; + recalc_sigpending(); + spin_unlock_irq(¤t->sighand->siglock); + + return 0; } /* @@ -369,7 +374,7 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset, int in_syscall) /* Whee! Actually deliver the signal. */ if (in_syscall) handle_restart(regs, &ka, 1); - if (handle_signal(signr, &ka, &info, oldset, regs)) { + if (!handle_signal(signr, &ka, &info, oldset, regs)) { /* * A signal was successfully delivered; the saved * sigmask will have been stored in the signal frame, |