Merge branch 'ep/maint-equals-null-cocci'

Introduce and apply coccinelle rule to discourage an explicit
comparison between a pointer and NULL, and applies the clean-up to
the maintenance track.

* ep/maint-equals-null-cocci:
  tree-wide: apply equals-null.cocci
  tree-wide: apply equals-null.cocci
  contrib/coccinnelle: add equals-null.cocci

1 files changed, 1 insertions, 1 deletions

diff --git a/ll-merge.c b/ll-merge.c
index a937cec..14b8362 100644
--- a/ll-merge.c
+++ b/ll-merge.c
@@ -207,7 +207,7 @@ static enum ll_merge_result ll_ext_merge(const struct ll_merge_driver *fn,
 	dict[4].placeholder = "P"; dict[4].value = path_sq.buf;
 	dict[5].placeholder = NULL; dict[5].value = NULL;
 
-	if (fn->cmdline == NULL)
+	if (!fn->cmdline)
 		die("custom merge driver %s lacks command line.", fn->name);
 
 	result->ptr = NULL;