Doc User-Manual: Patch cover letter, three dashes, and --notes

diff --git a/run-command.c b/run-command.c
index f9922b9ecc8e4956e19d7143bb6cb6ef4d97abf8..1101ef72378a502b1681a8e1bc306f38027974ae 100644 (file)
--- a/run-command.c
+++ b/run-command.c
@@ -53,13 +53,14 @@ static void mark_child_for_cleanup(pid_t pid)
 
 static void clear_child_for_cleanup(pid_t pid)
 {
-       struct child_to_clean **last, *p;
+       struct child_to_clean **pp;
 
-       last = &children_to_clean;
-       for (p = children_to_clean; p; p = p->next) {
-               if (p->pid == pid) {
-                       *last = p->next;
-                       free(p);
+       for (pp = &children_to_clean; *pp; pp = &(*pp)->next) {
+               struct child_to_clean *clean_me = *pp;
+
+               if (clean_me->pid == pid) {
+                       *pp = clean_me->next;
+                       free(clean_me);
                        return;
                }
        }