[IPV4]: [2/4] signed vs unsigned cleanup in net/ipv4/raw.c
[linux-2.6.git] / ipc / mqueue.c
index cb0cd3c..0acf245 100644 (file)
@@ -23,6 +23,7 @@
 #include <linux/skbuff.h>
 #include <linux/netlink.h>
 #include <linux/syscalls.h>
+#include <linux/signal.h>
 #include <net/sock.h>
 #include "util.h"
 
@@ -767,7 +768,7 @@ static inline void pipelined_send(struct mqueue_inode_info *info,
        list_del(&receiver->list);
        receiver->state = STATE_PENDING;
        wake_up_process(receiver->task);
-       wmb();
+       smp_wmb();
        receiver->state = STATE_READY;
 }
 
@@ -786,7 +787,7 @@ static inline void pipelined_receive(struct mqueue_inode_info *info)
        list_del(&sender->list);
        sender->state = STATE_PENDING;
        wake_up_process(sender->task);
-       wmb();
+       smp_wmb();
        sender->state = STATE_READY;
 }
 
@@ -976,8 +977,7 @@ asmlinkage long sys_mq_notify(mqd_t mqdes,
                             notification.sigev_notify != SIGEV_THREAD))
                        return -EINVAL;
                if (notification.sigev_notify == SIGEV_SIGNAL &&
-                       (notification.sigev_signo < 0 ||
-                        notification.sigev_signo > _NSIG)) {
+                       !valid_signal(notification.sigev_signo)) {
                        return -EINVAL;
                }
                if (notification.sigev_notify == SIGEV_THREAD) {