nfctype3: Fix possible memory leak in nfctype3_read

If call to near_adapter_send() failed cookie should be freed before
returning.

diff --git a/plugins/nfctype3.c b/plugins/nfctype3.c
index 6ccadaf..7349b88 100644 (file)
--- a/plugins/nfctype3.c
+++ b/plugins/nfctype3.c
@@ -403,6 +403,7 @@ static int nfctype3_read(uint32_t adapter_idx,
 {
        struct type3_cmd cmd;
        struct t3_cookie *cookie;
+       int err;
 
        DBG("");
 
@@ -424,8 +425,12 @@ static int nfctype3_read(uint32_t adapter_idx,
        cookie->target_idx = target_idx;
        cookie->cb = cb;
 
-       return near_adapter_send(adapter_idx, (uint8_t *)&cmd,
-                       cmd.len , nfctype3_recv_UID, cookie);
+       err = near_adapter_send(adapter_idx, (uint8_t *)&cmd,
+                               cmd.len , nfctype3_recv_UID, cookie);
+       if (err < 0)
+               g_free(cookie);
+
+       return err;
 }
 
 static int update_attr_block_cb(uint8_t *resp, int length, void *data)