mac802154: use WARN_ON() macro

This patch will generate the warning if the required driver ops
were not defined. Also it removes unnecessary debug message.

Signed-off-by: Varka Bhadram <varkab@cdac.in>
Acked-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --git a/net/mac802154/main.c b/net/mac802154/main.c
index 356b346..4caf04b 100644 (file)
--- a/net/mac802154/main.c
+++ b/net/mac802154/main.c
@@ -58,11 +58,9 @@ ieee802154_alloc_hw(size_t priv_data_len, const struct ieee802154_ops *ops)
        struct ieee802154_local *local;
        size_t priv_size;
 
-       if (!ops || !(ops->xmit_async || ops->xmit_sync) || !ops->ed ||
-           !ops->start || !ops->stop || !ops->set_channel) {
-               pr_err("undefined IEEE802.15.4 device operations\n");
+       if (WARN_ON(!ops || !(ops->xmit_async || ops->xmit_sync) || !ops->ed ||
+                   !ops->start || !ops->stop || !ops->set_channel))
                return NULL;
-       }
 
        /* Ensure 32-byte alignment of our private data and hw private data.
         * We use the wpan_phy priv data for both our ieee802154_local and for