Btrfs: Fix logic to avoid reading checksums for -o nodatasum,compress

[safe/jmp/linux-2.6] / fs / eventfd.c

diff --git a/fs/eventfd.c b/fs/eventfd.c
index 3ed4466..08bf558 100644 (file)
--- a/fs/eventfd.c
+++ b/fs/eventfd.c
@@ -203,6 +203,10 @@ asmlinkage long sys_eventfd2(unsigned int count, int flags)
        int fd;
        struct eventfd_ctx *ctx;
 
+       /* Check the EFD_* constants for consistency.  */
+       BUILD_BUG_ON(EFD_CLOEXEC != O_CLOEXEC);
+       BUILD_BUG_ON(EFD_NONBLOCK != O_NONBLOCK);
+
        if (flags & ~(EFD_CLOEXEC | EFD_NONBLOCK))
                return -EINVAL;