hwmon: (lm90) Fix handling of hysteresis value

[linux-2.6-omap-h63xx.git] / fs / eventpoll.c

diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 990c01d2d66bcce64a1c2a993cd6cc01ea5951d5..99368bda0261321290a6afa52ad74a797f79cd54 100644 (file)
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -927,14 +927,11 @@ errxit:
        /*
         * During the time we spent in the loop above, some other events
         * might have been queued by the poll callback. We re-insert them
-        * here (in case they are not already queued, or they're one-shot).
+        * inside the main ready-list here.
         */
        for (nepi = ep->ovflist; (epi = nepi) != NULL;
-            nepi = epi->next, epi->next = EP_UNACTIVE_PTR) {
-               if (!ep_is_linked(&epi->rdllink) &&
-                   (epi->event.events & ~EP_PRIVATE_BITS))
-                       list_add_tail(&epi->rdllink, &ep->rdllist);
-       }
+            nepi = epi->next, epi->next = EP_UNACTIVE_PTR)
+               list_add_tail(&epi->rdllink, &ep->rdllist);
        /*
         * We need to set back ep->ovflist to EP_UNACTIVE_PTR, so that after
         * releasing the lock, events will be queued in the normal way inside
@@ -1041,25 +1038,27 @@ retry:
 }
 
 /*
- * It opens an eventpoll file descriptor. The "size" parameter is there
- * for historical reasons, when epoll was using an hash instead of an
- * RB tree. With the current implementation, the "size" parameter is ignored
- * (besides sanity checks).
+ * Open an eventpoll file descriptor.
  */
-asmlinkage long sys_epoll_create(int size)
+asmlinkage long sys_epoll_create1(int flags)
 {
        int error, fd = -1;
        struct eventpoll *ep;
 
+       /* Check the EPOLL_* constant for consistency.  */
+       BUILD_BUG_ON(EPOLL_CLOEXEC != O_CLOEXEC);
+
+       if (flags & ~EPOLL_CLOEXEC)
+               return -EINVAL;
+
        DNPRINTK(3, (KERN_INFO "[%p] eventpoll: sys_epoll_create(%d)\n",
-                    current, size));
+                    current, flags));
 
        /*
-        * Sanity check on the size parameter, and create the internal data
-        * structure ( "struct eventpoll" ).
+        * Create the internal data structure ( "struct eventpoll" ).
         */
-       error = -EINVAL;
-       if (size <= 0 || (error = ep_alloc(&ep)) < 0) {
+       error = ep_alloc(&ep);
+       if (error < 0) {
                fd = error;
                goto error_return;
        }
@@ -1068,17 +1067,26 @@ asmlinkage long sys_epoll_create(int size)
         * Creates all the items needed to setup an eventpoll file. That is,
         * a file structure and a free file descriptor.
         */
-       fd = anon_inode_getfd("[eventpoll]", &eventpoll_fops, ep);
+       fd = anon_inode_getfd("[eventpoll]", &eventpoll_fops, ep,
+                             flags & O_CLOEXEC);
        if (fd < 0)
                ep_free(ep);
 
 error_return:
        DNPRINTK(3, (KERN_INFO "[%p] eventpoll: sys_epoll_create(%d) = %d\n",
-                    current, size, fd));
+                    current, flags, fd));
 
        return fd;
 }
 
+asmlinkage long sys_epoll_create(int size)
+{
+       if (size < 0)
+               return -EINVAL;
+
+       return sys_epoll_create1(0);
+}
+
 /*
  * The following function implements the controller interface for
  * the eventpoll file that enables the insertion/removal/change of