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authorLinus Torvalds <torvalds@linux-foundation.org>2011-05-25 16:53:14 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-25 16:53:14 -0700
commit9720d75399fd2655a6b6fb06abcf548150f22362 (patch)
treea9c239d322420ad96afda07294d0c53295adcd3e
parent0c63e38a129e7b1f625c6112439a4efc87b1635c (diff)
parentd92fcf0552a15891b25c343cee340d295e24109c (diff)
downloadlinux-linaro-stable-9720d75399fd2655a6b6fb06abcf548150f22362.tar.gz
Merge branch 'for-2.6.40' of git://git.kernel.org/pub/scm/linux/kernel/git/oleg/misc
* 'for-2.6.40' of git://git.kernel.org/pub/scm/linux/kernel/git/oleg/misc: signal: sys_pause() should check signal_pending() ptrace: ptrace_resume() shouldn't wake up !TASK_TRACED thread
-rw-r--r--kernel/ptrace.c2
-rw-r--r--kernel/signal.c6
2 files changed, 5 insertions, 3 deletions
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 7a81fc071344..2df115790cd9 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -562,7 +562,7 @@ static int ptrace_resume(struct task_struct *child, long request,
}
child->exit_code = data;
- wake_up_process(child);
+ wake_up_state(child, __TASK_TRACED);
return 0;
}
diff --git a/kernel/signal.c b/kernel/signal.c
index ad5e818baacc..86c32b884f8e 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -3023,8 +3023,10 @@ SYSCALL_DEFINE2(signal, int, sig, __sighandler_t, handler)
SYSCALL_DEFINE0(pause)
{
- current->state = TASK_INTERRUPTIBLE;
- schedule();
+ while (!signal_pending(current)) {
+ current->state = TASK_INTERRUPTIBLE;
+ schedule();
+ }
return -ERESTARTNOHAND;
}