grep: use return value of strbuf_detach()

diff --git a/builtin/mktree.c b/builtin/mktree.c
index 94e82b8504f7da5bed50d81771cefe3445b98ece..891991b00d673457ecdc6d82d1aa400a9eff03e9 100644 (file)
--- a/builtin/mktree.c
+++ b/builtin/mktree.c
@@ -67,7 +67,7 @@ static const char *mktree_usage[] = {
        NULL
 };
 
-static void mktree_line(char *buf, size_t len, int nul_term_line, int allow_missing)
+static void mktree_line(char *buf, int nul_term_line, int allow_missing)
 {
        char *ptr, *ntr;
        const char *p;
@@ -172,7 +172,7 @@ int cmd_mktree(int ac, const char **av, const char *prefix)
                                        break;
                                die("input format error: (blank line only valid in batch mode)");
                        }
-                       mktree_line(sb.buf, sb.len, nul_term_line, allow_missing);
+                       mktree_line(sb.buf, nul_term_line, allow_missing);
                }
                if (is_batch_mode && got_eof && used < 1) {
                        /*