Bluetooth: Add BT_ERR_RATELIMITED

This patch adds ratelimited version of the BT_ERR macro.

Signed-off-by: Szymon Janc <ext.szymon.janc@tieto.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index fcf2ae7..f5ade85 100644 (file)
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -123,11 +123,15 @@ __printf(1, 2)
 void bt_info(const char *fmt, ...);
 __printf(1, 2)
 void bt_err(const char *fmt, ...);
+__printf(1, 2)
+void bt_err_ratelimited(const char *fmt, ...);
 
 #define BT_INFO(fmt, ...)      bt_info(fmt "\n", ##__VA_ARGS__)
 #define BT_ERR(fmt, ...)       bt_err(fmt "\n", ##__VA_ARGS__)
 #define BT_DBG(fmt, ...)       pr_debug(fmt "\n", ##__VA_ARGS__)
 
+#define BT_ERR_RATELIMITED(fmt, ...) bt_err_ratelimited(fmt "\n", ##__VA_ARGS__)
+
 #define bt_dev_info(hdev, fmt, ...)                            \
        BT_INFO("%s: " fmt, (hdev)->name, ##__VA_ARGS__)
 #define bt_dev_err(hdev, fmt, ...)                             \

diff --git a/net/bluetooth/lib.c b/net/bluetooth/lib.c
index b36bc04..8b4cdce 100644 (file)
--- a/net/bluetooth/lib.c
+++ b/net/bluetooth/lib.c
@@ -166,3 +166,19 @@ void bt_err(const char *format, ...)
        va_end(args);
 }
 EXPORT_SYMBOL(bt_err);
+
+void bt_err_ratelimited(const char *format, ...)
+{
+       struct va_format vaf;
+       va_list args;
+
+       va_start(args, format);
+
+       vaf.fmt = format;
+       vaf.va = &args;
+
+       pr_err_ratelimited("%pV", &vaf);
+
+       va_end(args);
+}
+EXPORT_SYMBOL(bt_err_ratelimited);