Fixed sign

diff --git a/alsactl/alsactl.c b/alsactl/alsactl.c
index e4faafc2494fc3f20dc6d22bede9325fe7798cc7..21c35777eb906de3251eb7a928cd8ef481f03895 100644 (file)
--- a/alsactl/alsactl.c
+++ b/alsactl/alsactl.c
@@ -300,10 +300,10 @@ static int get_control(snd_ctl_t *handle, snd_ctl_element_id_t *id, snd_config_t
        {
                size_t size = type == SND_CTL_ELEMENT_TYPE_BYTES ?
                        count : sizeof(snd_aes_iec958_t);
-               char buf[count * 2 + 1];
+               char buf[size * 2 + 1];
                char *p = buf;
                char *hex = "0123456789abcdef";
-               const char *bytes = snd_ctl_element_get_bytes(ctl);
+               const unsigned char *bytes = snd_ctl_element_get_bytes(ctl);
                for (idx = 0; idx < size; idx++) {
                        int v = bytes[idx];
                        *p++ = hex[v >> 4];