bundle: plug minor memory leak in is_tag_in_date_range()

Free the buffer returned by read_sha1_file() even if no valid tagger
line is found.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/bundle.c b/bundle.c
index b708906cdbd2a14d0e5bcd1e1288c78777cf6a5e..643b8b8b2ea37408be204069affc99a018bfb578 100644 (file)
--- a/bundle.c
+++ b/bundle.c
@@ -209,26 +209,29 @@ static int is_tag_in_date_range(struct object *tag, struct rev_info *revs)
 {
        unsigned long size;
        enum object_type type;
-       char *buf, *line, *lineend;
+       char *buf = NULL, *line, *lineend;
        unsigned long date;
+       int result = 1;
 
        if (revs->max_age == -1 && revs->min_age == -1)
-               return 1;
+               goto out;
 
        buf = read_sha1_file(tag->sha1, &type, &size);
        if (!buf)
-               return 1;
+               goto out;
        line = memmem(buf, size, "\ntagger ", 8);
        if (!line++)
-               return 1;
+               goto out;
        lineend = memchr(line, '\n', buf + size - line);
        line = memchr(line, '>', lineend ? lineend - line : buf + size - line);
        if (!line++)
-               return 1;
+               goto out;
        date = strtoul(line, NULL, 10);
-       free(buf);
-       return (revs->max_age == -1 || revs->max_age < date) &&
+       result = (revs->max_age == -1 || revs->max_age < date) &&
                (revs->min_age == -1 || revs->min_age > date);
+out:
+       free(buf);
+       return result;
 }
 
 int create_bundle(struct bundle_header *header, const char *path,