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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>
This commit is contained in:
Alain Michaud 2019-12-11 01:54:43 +00:00 committed by Marcel Holtmann
parent 3c85efb8f1
commit 36278a5d4d
2 changed files with 20 additions and 0 deletions
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4
include/net/bluetooth/bluetooth.h
View File

@ -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__)

16
net/bluetooth/lib.c
View File

@ -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;