X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Feventfd.c;h=08bf558d04080ffe0a3ced77a5660d4af4e1182f;hb=2576737873dc1d9ea461a5955a5f6779b569a350;hp=3ed4466177a74929b2fac1cde0b38af8ef0e9f06;hpb=e7d476dfdf0bcfed478a207aecfdc84f81efecaf;p=linux-2.6

diff --git a/fs/eventfd.c b/fs/eventfd.c
index 3ed4466177..08bf558d04 100644
--- 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;