tiny mq_open optimization

A very small cleanup for mq_open.

We do not have to call set_close_on_exit if we create the file
descriptor right away with the flag set.  We have a function for this
now.  The resulting code is smaller and a tiny bit faster.

Signed-off-by: Ulrich Drepper <drepper@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 2 deletions

diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 94fd3b08fb7..b3b69fd5133 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -673,7 +673,7 @@ asmlinkage long sys_mq_open(const char __user *u_name, int oflag, mode_t mode,
         if (IS_ERR(name = getname(u_name)))
                 return PTR_ERR(name);
 
-        fd = get_unused_fd();
+        fd = get_unused_fd_flags(O_CLOEXEC);
         if (fd < 0)
                 goto out_putname;
 
@@ -709,7 +709,6 @@ asmlinkage long sys_mq_open(const char __user *u_name, int oflag, mode_t mode,
                 goto out_putfd;
         }
 
-        set_close_on_exec(fd, 1);
         fd_install(fd, filp);
         goto out_upsem;