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ALSA: usb-audio: Apply rate limit to warning messages in URB complete callback

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[ Upstream commit 377a879d9832f4ba69bd6a1fc996bb4181b1e504 ]

retire_capture_urb() may print warning messages when the given URB
doesn't align, and this may flood the system log easily.
Put the rate limit to the message for avoiding it.

Bugzilla: https://bugzilla.suse.com/show_bug.cgi?id=1093485
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Takashi Iwai 2018-05-16 20:07:18 +02:00 committed by Greg Kroah-Hartman
parent d239ee35dd
commit 25436aa5c1
1 changed files with 1 additions and 1 deletions
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2
sound/usb/pcm.c
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@ -1311,7 +1311,7 @@ static void retire_capture_urb(struct snd_usb_substream *subs,
if (bytes % (runtime->sample_bits >> 3) != 0) {
int oldbytes = bytes;
bytes = frames * stride;
dev_warn(&subs->dev->dev,
dev_warn_ratelimited(&subs->dev->dev,
"Corrected urb data len. %d->%d\n",
oldbytes, bytes);
}