Fix a memory leak

Signed-off-by: Li Hong <leehong@pku.edu.cn>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/dir.c b/dir.c
index 6b3273d1d..3e345c2fc 100644
--- a/dir.c
+++ b/dir.c
@@ -169,7 +169,10 @@ static int add_excludes_from_file_1(const char *fname,
 	}
 	buf = xmalloc(size+1);
 	if (read_in_full(fd, buf, size) != size)
+	{
+		free(buf);
 		goto err;
+	}
 	close(fd);
 
 	if (buf_p)