h8300: don't change blocked signals' mask if setting frame up fails
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/h8300/kernel/signal.c b/arch/h8300/kernel/signal.c
index cd63f5a..78e9b65 100644
--- a/arch/h8300/kernel/signal.c
+++ b/arch/h8300/kernel/signal.c
@@ -304,7 +304,7 @@
return (void *)((usp - frame_size) & -8UL);
}
-static void setup_frame (int sig, struct k_sigaction *ka,
+static int setup_frame (int sig, struct k_sigaction *ka,
sigset_t *set, struct pt_regs *regs)
{
struct sigframe *frame;
@@ -365,13 +365,14 @@
regs->er1 = (unsigned long)&(frame->sc);
regs->er5 = current->mm->start_data; /* GOT base */
- return;
+ return 0;
give_sigsegv:
force_sigsegv(sig, current);
+ return -EFAULT;
}
-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 *frame;
@@ -440,10 +441,11 @@
regs->er2 = (unsigned long)&frame->uc;
regs->er5 = current->mm->start_data; /* GOT base */
- return;
+ return 0;
give_sigsegv:
force_sigsegv(sig, current);
+ return -EFAULT;
}
/*
@@ -453,6 +455,7 @@
handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
sigset_t *oldset, struct pt_regs * regs)
{
+ int ret;
/* are we from a system call? */
if (regs->orig_er0 >= 0) {
switch (regs->er0) {
@@ -475,11 +478,12 @@
/* 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_frame(sig, ka, oldset, regs);
+ ret = setup_frame(sig, ka, oldset, regs);
- block_sigmask(ka, sig);
+ if (!ret)
+ block_sigmask(ka, sig);
}
/*