diff options
| author | Matt Fleming <matt.fleming@intel.com> | 2011-08-11 14:57:02 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-10-12 12:25:28 -0700 |
| commit | faddf598f0ba98ba329bb83acad51aea40313c2a (patch) | |
| tree | fad64797c8240759caa11b032b8016947f29715f /arch/sparc/kernel/signal32.c | |
| parent | f22ed71cd60210d2f476986c0266004e4db45f34 (diff) | |
sparc: Use set_current_blocked()
As described in e6fa16ab ("signal: sigprocmask() should do
retarget_shared_pending()") the modification of current->blocked is
incorrect as we need to check whether the signal we're about to block
is pending in the shared queue.
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/kernel/signal32.c')
| -rw-r--r-- | arch/sparc/kernel/signal32.c | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c index 1ba95aff5d59..3b3a3fc3ce06 100644 --- a/arch/sparc/kernel/signal32.c +++ b/arch/sparc/kernel/signal32.c @@ -273,10 +273,7 @@ void do_sigreturn32(struct pt_regs *regs) case 1: set.sig[0] = seta[0] + (((long)seta[1]) << 32); } sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); return; segv: @@ -377,10 +374,7 @@ asmlinkage void do_rt_sigreturn32(struct pt_regs *regs) case 1: set.sig[0] = seta.sig[0] + (((long)seta.sig[1]) << 32); } sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); return; segv: force_sig(SIGSEGV, current); @@ -782,6 +776,7 @@ static inline int handle_signal32(unsigned long signr, struct k_sigaction *ka, siginfo_t *info, sigset_t *oldset, struct pt_regs *regs) { + sigset_t blocked; int err; if (ka->sa.sa_flags & SA_SIGINFO) @@ -792,12 +787,10 @@ static inline int handle_signal32(unsigned long signr, struct k_sigaction *ka, if (err) return err; - spin_lock_irq(¤t->sighand->siglock); - sigorsets(¤t->blocked,¤t->blocked,&ka->sa.sa_mask); + sigorsets(&blocked, ¤t->blocked, &ka->sa.sa_mask); if (!(ka->sa.sa_flags & SA_NOMASK)) - sigaddset(¤t->blocked,signr); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + sigaddset(&blocked, signr); + set_current_blocked(&blocked); tracehook_signal_handler(signr, info, ka, regs, 0); |