channel.c: Address stack overflow in does_id_conflict()

does_id_conflict() was passing a pointer to an int to a callback
that expected a pointer to a size_t.

Found by the Address Sanitizer.

Change-Id: I0ff542067eef63a14a60301654d65d34fe2ad503

diff --git a/main/channel.c b/main/channel.c
index ca50d4651ce049c34a6611e4f95bfca2c08c7ff7..5fc9cd83a3c1dbd677d48de0a54375817c9610ca 100644 (file)
--- a/main/channel.c
+++ b/main/channel.c
@@ -771,7 +771,7 @@ static int ast_channel_by_uniqueid_cb(void *obj, void *arg, void *data, int flag
 static int does_id_conflict(const char *uniqueid)
 {
        struct ast_channel *conflict;
-       int length = 0;
+       size_t length = 0;
 
        if (ast_strlen_zero(uniqueid)) {
                return 0;