Fix commit_tree() buffer leak

The commit_tree() strbuf has a minimum size of 8k and it has not been
released yet.  This patch releases the buffer.

Signed-off-by: Stephan Beyer <s-beyer@gmx.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin-commit-tree.c b/builtin-commit-tree.c
index 7a9a309be0543da7d27e7710ef82271f2582e0a9..f773db596c50430fa5223e3273b4fade32a0da34 100644 (file)
--- a/builtin-commit-tree.c
+++ b/builtin-commit-tree.c
@@ -48,6 +48,7 @@ static const char commit_utf8_warn[] =
 int commit_tree(const char *msg, unsigned char *tree,
                struct commit_list *parents, unsigned char *ret)
 {
+       int result;
        int encoding_is_utf8;
        struct strbuf buffer;
 
@@ -86,7 +87,9 @@ int commit_tree(const char *msg, unsigned char *tree,
        if (encoding_is_utf8 && !is_utf8(buffer.buf))
                fprintf(stderr, commit_utf8_warn);
 
-       return write_sha1_file(buffer.buf, buffer.len, commit_type, ret);
+       result = write_sha1_file(buffer.buf, buffer.len, commit_type, ret);
+       strbuf_release(&buffer);
+       return result;
 }
 
 int cmd_commit_tree(int argc, const char **argv, const char *prefix)