BUG/MINOR: config: Fix memory leak on config parse listen

This memory leak happens if there is two or more defaults section. When
the default proxy is reinitialized, the structure member containing the
config filename must be freed.

Fix github issue #851.
Should be backported as far as 1.6.

(cherry picked from commit 36b536652f23c8b9b430d7a7cbb42a696d06a929)
Signed-off-by: Willy Tarreau <w@1wt.eu>
(cherry picked from commit a9becb5273d67bd44a6939fac7f2610624d2717b)
[wt: minor context adjustment]
Signed-off-by: Willy Tarreau <w@1wt.eu>

diff --git a/src/cfgparse-listen.c b/src/cfgparse-listen.c
index 13fbe4f..4a3cdb1 100644 (file)
--- a/src/cfgparse-listen.c
+++ b/src/cfgparse-listen.c
@@ -495,6 +495,7 @@ int cfg_parse_listen(const char *file, int linenum, char **args, int kwm)
                        goto out;
                }
 
+               free(defproxy.conf.file);
                free(defproxy.check_req);
                free(defproxy.check_command);
                free(defproxy.check_path);