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-rw-r--r--fs/inotify_user.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/fs/inotify_user.c b/fs/inotify_user.c
index 6676c06bb7c1..fe79c25d95dc 100644
--- a/fs/inotify_user.c
+++ b/fs/inotify_user.c
@@ -566,7 +566,7 @@ static const struct inotify_operations inotify_user_ops = {
566 .destroy_watch = free_inotify_user_watch, 566 .destroy_watch = free_inotify_user_watch,
567}; 567};
568 568
569asmlinkage long sys_inotify_init(void) 569asmlinkage long sys_inotify_init1(int flags)
570{ 570{
571 struct inotify_device *dev; 571 struct inotify_device *dev;
572 struct inotify_handle *ih; 572 struct inotify_handle *ih;
@@ -574,7 +574,14 @@ asmlinkage long sys_inotify_init(void)
574 struct file *filp; 574 struct file *filp;
575 int fd, ret; 575 int fd, ret;
576 576
577 fd = get_unused_fd(); 577 /* Check the IN_* constants for consistency. */
578 BUILD_BUG_ON(IN_CLOEXEC != O_CLOEXEC);
579 BUILD_BUG_ON(IN_NONBLOCK != O_NONBLOCK);
580
581 if (flags & ~(IN_CLOEXEC | IN_NONBLOCK))
582 return -EINVAL;
583
584 fd = get_unused_fd_flags(flags & O_CLOEXEC);
578 if (fd < 0) 585 if (fd < 0)
579 return fd; 586 return fd;
580 587
@@ -610,7 +617,7 @@ asmlinkage long sys_inotify_init(void)
610 filp->f_path.dentry = dget(inotify_mnt->mnt_root); 617 filp->f_path.dentry = dget(inotify_mnt->mnt_root);
611 filp->f_mapping = filp->f_path.dentry->d_inode->i_mapping; 618 filp->f_mapping = filp->f_path.dentry->d_inode->i_mapping;
612 filp->f_mode = FMODE_READ; 619 filp->f_mode = FMODE_READ;
613 filp->f_flags = O_RDONLY; 620 filp->f_flags = O_RDONLY | (flags & O_NONBLOCK);
614 filp->private_data = dev; 621 filp->private_data = dev;
615 622
616 INIT_LIST_HEAD(&dev->events); 623 INIT_LIST_HEAD(&dev->events);
@@ -638,6 +645,11 @@ out_put_fd:
638 return ret; 645 return ret;
639} 646}
640 647
648asmlinkage long sys_inotify_init(void)
649{
650 return sys_inotify_init1(0);
651}
652
641asmlinkage long sys_inotify_add_watch(int fd, const char __user *path, u32 mask) 653asmlinkage long sys_inotify_add_watch(int fd, const char __user *path, u32 mask)
642{ 654{
643 struct inode *inode; 655 struct inode *inode;