Fix F_DUPFD_CLOEXEC breakage

Fix a braino in F_DUPFD_CLOEXEC; f_dupfd() expects flags for alloc_fd(),
get_unused_fd() etc and there clone-on-exec if O_CLOEXEC, not
FD_CLOEXEC.

Reported-by: Richard W.M. Jones <rjones@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/fcntl.c b/fs/fcntl.c
index 8f704291d4ed812d724536f9396485abddde2089..71a600a19f06078f235d8dbba6388cee2594365a 100644 (file)
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -258,7 +258,7 @@ static long do_fcntl(int fd, unsigned int cmd, unsigned long arg,
                err = f_dupfd(arg, filp, 0);
                break;
        case F_DUPFD_CLOEXEC:
-               err = f_dupfd(arg, filp, FD_CLOEXEC);
+               err = f_dupfd(arg, filp, O_CLOEXEC);
                break;
        case F_GETFD:
                err = get_close_on_exec(fd) ? FD_CLOEXEC : 0;