proc: kill the extra proc_readfd_common()->dir_emit_dots()

proc_readfd_common() does dir_emit_dots() twice in a row,
we need to do this only once.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/proc/fd.c b/fs/proc/fd.c
index 75f2890..0ff80f9 100644 (file)
--- a/fs/proc/fd.c
+++ b/fs/proc/fd.c
@@ -230,8 +230,6 @@ static int proc_readfd_common(struct file *file, struct dir_context *ctx,
 
        if (!dir_emit_dots(file, ctx))
                goto out;
-       if (!dir_emit_dots(file, ctx))
-               goto out;
        files = get_files_struct(p);
        if (!files)
                goto out;