gfs2: List traversal in do_promote is safe

In do_promote(), we're never removing the current entry from the list
and so the list traversal is actually safe.  Switch back to
list_for_each_entry().

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 2138460..e79f17d 100644 (file)
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -534,11 +534,11 @@ done:
 
 static int do_promote(struct gfs2_glock *gl)
 {
-       struct gfs2_holder *gh, *tmp, *current_gh;
+       struct gfs2_holder *gh, *current_gh;
        bool incompat_holders_demoted = false;
 
        current_gh = find_first_strong_holder(gl);
-       list_for_each_entry_safe(gh, tmp, &gl->gl_holders, gh_list) {
+       list_for_each_entry(gh, &gl->gl_holders, gh_list) {
                if (test_bit(HIF_HOLDER, &gh->gh_iflags))
                        continue;
                if (!may_grant(gl, current_gh, gh)) {