Added missing initialization and check for sctl contents

diff --git a/src/pcm/pcm_hooks.c b/src/pcm/pcm_hooks.c
index 892d43564b5f20d41ad754c81e0bd1100eb16518..2d1ff3bb9e9bcb201c7039010c429815a674a9be 100644 (file)
--- a/src/pcm/pcm_hooks.c
+++ b/src/pcm/pcm_hooks.c
@@ -630,7 +630,7 @@ int _snd_pcm_hook_ctl_elems_install(snd_pcm_t *pcm, snd_config_t *conf)
        snd_pcm_info_t *info;
        char ctl_name[16];
        snd_ctl_t *ctl;
-       snd_sctl_t *sctl;
+       snd_sctl_t *sctl = NULL;
        snd_config_t *pcm_conf = NULL;
        snd_pcm_hook_t *h_hw_params = NULL, *h_hw_free = NULL, *h_close = NULL;
        assert(conf);
@@ -676,7 +676,8 @@ int _snd_pcm_hook_ctl_elems_install(snd_pcm_t *pcm, snd_config_t *conf)
                snd_pcm_hook_remove(h_hw_free);
        if (h_close)
                snd_pcm_hook_remove(h_close);
-       snd_sctl_free(sctl);
+       if (sctl)
+               snd_sctl_free(sctl);
        if (pcm_conf)
                snd_config_delete(pcm_conf);
        return err;