1 files changed, 7 insertions, 2 deletions

diff --git a/fs/timerfd.c b/fs/timerfd.c
index d87d354ec424..c502c60e4f54 100644
--- a/fs/timerfd.c
+++ b/fs/timerfd.c
@@ -184,7 +184,11 @@ asmlinkage long sys_timerfd_create(int clockid, int flags)
         int ufd;
         struct timerfd_ctx *ctx;
 
-        if (flags)
+        /* Check the TFD_* constants for consistency.  */
+        BUILD_BUG_ON(TFD_CLOEXEC != O_CLOEXEC);
+        BUILD_BUG_ON(TFD_NONBLOCK != O_NONBLOCK);
+
+        if (flags & ~(TFD_CLOEXEC | TFD_NONBLOCK))
                 return -EINVAL;
         if (clockid != CLOCK_MONOTONIC &&
             clockid != CLOCK_REALTIME)
@@ -198,7 +202,8 @@ asmlinkage long sys_timerfd_create(int clockid, int flags)
         ctx->clockid = clockid;
         hrtimer_init(&ctx->tmr, clockid, HRTIMER_MODE_ABS);
 
-        ufd = anon_inode_getfd("[timerfd]", &timerfd_fops, ctx);
+        ufd = anon_inode_getfd("[timerfd]", &timerfd_fops, ctx,
+                               flags & (O_CLOEXEC | O_NONBLOCK));
         if (ufd < 0)
                 kfree(ctx);