conf: fix possible memory leak in config_file_open() - error path

Fixes: a6238053 ("conf: merge card specific contents per file (whole) after parsing")
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

diff --git a/src/conf.c b/src/conf.c
index b1ec9b382d666eb6b8c82b10283c8c69717307c2..d90f6dc35d3b13c597ea1b1f0dac98c291b848d7 100644 (file)
--- a/src/conf.c
+++ b/src/conf.c
@@ -4130,8 +4130,11 @@ static int config_file_open(snd_config_t *root, const char *filename, int merge)
                        err = snd_config_top(&top);
                        if (err >= 0) {
                                err = snd_config_load(top, in);
-                               if (err >= 0)
+                               if (err >= 0) {
                                        err = snd_config_merge(root, top, 1);
+                                       if (err < 0)
+                                               snd_config_delete(top);
+                               }
                        }
                }
                snd_input_close(in);