sh: silence sanitizer

Don't add 0 to a null pointer. Reviewed by: jilles
2021-04-01 07:31:03 +02:00 · 2021-04-01 07:31:03 +02:00 · 5a18515b31
commit 5a18515b31
parent 556e66b7b0
1 changed files with 4 additions and 1 deletions
--- a/bin/sh/memalloc.c
+++ b/bin/sh/memalloc.c
@ -227,7 +227,10 @@ popstackmark(struct stackmark *mark)
 	}
 	stacknxt = mark->stacknxt;
 	stacknleft = mark->stacknleft;
+	if (stacknleft != 0)
 		sstrend = stacknxt + stacknleft;
+	else
+		sstrend = stacknxt;
 	INTON;
 }