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authorLukas Fleischer <cgit@cryptocrack.de>2013-03-04 12:25:35 +0000
committerJason A. Donenfeld <Jason@zx2c4.com>2013-03-05 00:55:34 +0000
commit0ffdc46f0830d89e32204e1b30145b4c26727e6c (patch)
tree8596030d3926a8dd3ed13d7a2704acc2401dd907
parentfab385ef5ca516dcda79df87eb926eccdda64a54 (diff)
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find_default_branch(): Free refmatch after usage
Fixes following memory leak seen with "PATH_INFO=/cgit/refs/": ==13408== 7 bytes in 1 blocks are definitely lost in loss record 4 of 52 ==13408== at 0x4C2C04B: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==13408== by 0x56F2DF1: strdup (in /usr/lib/libc-2.17.so) ==13408== by 0x46CA78: xstrdup (wrapper.c:35) ==13408== by 0x405840: find_current_ref (cgit.c:426) ==13408== by 0x44BE5A: do_one_ref (refs.c:527) ==13408== by 0x44D3E0: do_for_each_ref_in_dir (refs.c:553) ==13408== by 0x44D85A: do_for_each_ref (refs.c:1298) ==13408== by 0x405889: find_default_branch (cgit.c:438) ==13408== by 0x405AC4: prepare_repo_cmd (cgit.c:490) ==13408== by 0x405D97: process_request (cgit.c:557) ==13408== by 0x407490: cache_process (cache.c:322) ==13408== by 0x406C18: main (cgit.c:864) Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
-rw-r--r--cgit.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/cgit.c b/cgit.c
index 5b20de3..afafcce 100644
--- a/cgit.c
+++ b/cgit.c
@@ -427,6 +427,12 @@ static int find_current_ref(const char *refname, const unsigned char *sha1,
return info->match;
}
+static void free_refmatch_inner(struct refmatch *info)
+{
+ if (info->first_ref)
+ free(info->first_ref);
+}
+
static char *find_default_branch(struct cgit_repo *repo)
{
struct refmatch info;
@@ -442,6 +448,8 @@ static char *find_default_branch(struct cgit_repo *repo)
ref = info.first_ref;
if (ref)
ref = xstrdup(ref);
+ free_refmatch_inner(&info);
+
return ref;
}