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| author | Chris Down <chris@chrisdown.name> | 2023-04-21 15:38:41 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2023-04-21 17:07:28 +0200 |
| commit | 2db2be5607c4508c37705d604437b43a99b4791f (patch) | |
| tree | 0964ccfd740f75da9cd0c6091c569611df31cbfe /sound/usb/hiface | |
| parent | 4d421eebe1465d94b95867dd025385dc3d661f9b (diff) | |
| download | linux-2db2be5607c4508c37705d604437b43a99b4791f.tar.gz | |
ALSA: usb-audio: Rate limit usb_set_interface error reporting
When an error occurs during USB disconnection sometimes things can go
wrong as endpoint_set_interface may end up being called repeatedly. For
example:
% dmesg --notime | grep 'usb 3-7.1.4' | sort | uniq -c | head -2
3069 usb 3-7.1.4: 1:1: usb_set_interface failed (-19)
908 usb 3-7.1.4: 1:1: usb_set_interface failed (-71)
In my case, there sometimes are hundreds of these usb_set_interface
failure messages a second when I disconnect the hub that has my USB
audio device.
These messages can take a huge amount of the kmsg ringbuffer and don't
provide any extra information over the previous ones, so ratelimit them.
Signed-off-by: Chris Down <chris@chrisdown.name>
Link: https://lore.kernel.org/r/ZEKf8UYBYa1h4JWR@chrisdown.name
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/hiface')
0 files changed, 0 insertions, 0 deletions