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authorAlain Michaud <alainm@chromium.org>2019-12-11 01:54:43 +0000
committerMarcel Holtmann <marcel@holtmann.org>2020-01-04 10:41:03 +0100
commit36278a5d4d354e5d5610aa728831db9e03cc3d8d (patch)
tree7ecd008a7cc79721dbc372c6c7cb1599982babc9
parentbna: remove set but not used variable 'pgoff' (diff)
downloadlinux-dev-36278a5d4d354e5d5610aa728831db9e03cc3d8d.tar.xz
linux-dev-36278a5d4d354e5d5610aa728831db9e03cc3d8d.zip
Bluetooth: Adding a bt_dev_warn_ratelimited macro.
The macro will be used to display rate limited warning messages in the log. Signed-off-by: Alain Michaud <alainm@chromium.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
-rw-r--r--include/net/bluetooth/bluetooth.h4
-rw-r--r--net/bluetooth/lib.c16
2 files changed, 20 insertions, 0 deletions
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index fabee6db0abb..bd2675266859 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -129,6 +129,8 @@ void bt_warn(const char *fmt, ...);
__printf(1, 2)
void bt_err(const char *fmt, ...);
__printf(1, 2)
+void bt_warn_ratelimited(const char *fmt, ...);
+__printf(1, 2)
void bt_err_ratelimited(const char *fmt, ...);
#define BT_INFO(fmt, ...) bt_info(fmt "\n", ##__VA_ARGS__)
@@ -147,6 +149,8 @@ void bt_err_ratelimited(const char *fmt, ...);
#define bt_dev_dbg(hdev, fmt, ...) \
BT_DBG("%s: " fmt, (hdev)->name, ##__VA_ARGS__)
+#define bt_dev_warn_ratelimited(hdev, fmt, ...) \
+ bt_warn_ratelimited("%s: " fmt, (hdev)->name, ##__VA_ARGS__)
#define bt_dev_err_ratelimited(hdev, fmt, ...) \
BT_ERR_RATELIMITED("%s: " fmt, (hdev)->name, ##__VA_ARGS__)
diff --git a/net/bluetooth/lib.c b/net/bluetooth/lib.c
index 63e65d9b4b24..c09e0a3a0ed9 100644
--- a/net/bluetooth/lib.c
+++ b/net/bluetooth/lib.c
@@ -183,6 +183,22 @@ void bt_err(const char *format, ...)
}
EXPORT_SYMBOL(bt_err);
+void bt_warn_ratelimited(const char *format, ...)
+{
+ struct va_format vaf;
+ va_list args;
+
+ va_start(args, format);
+
+ vaf.fmt = format;
+ vaf.va = &args;
+
+ pr_warn_ratelimited("%pV", &vaf);
+
+ va_end(args);
+}
+EXPORT_SYMBOL(bt_warn_ratelimited);
+
void bt_err_ratelimited(const char *format, ...)
{
struct va_format vaf;