[PATCH] Memory leak in namehint.c

[John Lindgren <john.lindgren@tds.net>]

get_card_name() can be called more than once on the same list, so it
must free the previous list->cardname before replacing it.

Signed-off-by: John Lindgren <john.lindgren@tds.net>
---

 src/control/namehint.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/src/control/namehint.c b/src/control/namehint.c
index 78572d8..fc1cb27 100644
--- a/src/control/namehint.c
+++ b/src/control/namehint.c
@@ -471,6 +471,8 @@ static int get_card_name(struct hint_list *list, int card)
        char scard[16], *s;
        int err;
 
+       if (list->cardname)
+               free(list->cardname);
        err = snd_card_get_name(card, &list->cardname);
        if (err <= 0)
                return 0;