X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fum%2Fkernel%2Fsignal_user.c;h=62f457835fb1dcb576eb50b43b86faae2de1df51;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=74a69e491e000cf7400ccdc6d65534188afe968d;hpb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;p=linux-2.6.git

diff --git a/arch/um/kernel/signal_user.c b/arch/um/kernel/signal_user.c
index 74a69e491..62f457835 100644
--- a/arch/um/kernel/signal_user.c
+++ b/arch/um/kernel/signal_user.c
@@ -41,6 +41,7 @@ void set_handler(int sig, void (*handler)(int), int flags, ...)
 	while((mask = va_arg(ap, int)) != -1){
 		sigaddset(&action.sa_mask, mask);
 	}
+	va_end(ap);
 	action.sa_flags = flags;
 	action.sa_restorer = NULL;
 	if(sigaction(sig, &action, NULL) < 0)
@@ -57,6 +58,10 @@ int change_sig(int signal, int on)
 	return(!sigismember(&old, signal));
 }
 
+/* Both here and in set/get_signal we don't touch SIGPROF, because we must not
+ * disable profiling; it's safe because the profiling code does not interact
+ * with the kernel code at all.*/
+
 static void change_signals(int type)
 {
 	sigset_t mask;
@@ -65,7 +70,6 @@ static void change_signals(int type)
 	sigaddset(&mask, SIGVTALRM);
 	sigaddset(&mask, SIGALRM);
 	sigaddset(&mask, SIGIO);
-	sigaddset(&mask, SIGPROF);
 	if(sigprocmask(type, &mask, NULL) < 0)
 		panic("Failed to change signal mask - errno = %d", errno);
 }