Merge branches 'acpica-release-fixes', 'ec-fix', 'dock', 'irq-bounds', 'thermal-fix...

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

diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 71af2fc0041e3badfb844530c42610d3781b249c..7cc0eb756b55e99e5f876eaa43c6c4e466b27b05 100644 (file)
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -1041,49 +1041,53 @@ 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;
-       struct inode *inode;
-       struct file *file;
+
+       /* 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;
+       }
 
        /*
         * Creates all the items needed to setup an eventpoll file. That is,
-        * a file structure, and inode and a free file descriptor.
+        * a file structure and a free file descriptor.
         */
-       error = anon_inode_getfd(&fd, &inode, &file, "[eventpoll]",
-                                &eventpoll_fops, ep);
-       if (error)
-               goto error_free;
+       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;
+}
 
-error_free:
-       ep_free(ep);
-error_return:
-       DNPRINTK(3, (KERN_INFO "[%p] eventpoll: sys_epoll_create(%d) = %d\n",
-                    current, size, error));
-       return error;
+asmlinkage long sys_epoll_create(int size)
+{
+       if (size < 0)
+               return -EINVAL;
+
+       return sys_epoll_create1(0);
 }
 
 /*
@@ -1241,7 +1245,7 @@ error_return:
        return error;
 }
 
-#ifdef TIF_RESTORE_SIGMASK
+#ifdef HAVE_SET_RESTORE_SIGMASK
 
 /*
  * Implement the event wait interface for the eventpoll file. It is the kernel
@@ -1287,7 +1291,7 @@ asmlinkage long sys_epoll_pwait(int epfd, struct epoll_event __user *events,
        return error;
 }
 
-#endif /* #ifdef TIF_RESTORE_SIGMASK */
+#endif /* HAVE_SET_RESTORE_SIGMASK */
 
 static int __init eventpoll_init(void)
 {