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Commit 3680e351 authored by qctecmdr Service's avatar qctecmdr Service Committed by Gerrit - the friendly Code Review server
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Merge "sound: rawmidi: Move spinlock under realloc_mutex"

parents 86e74d8e 397cbe4b

sound/core/rawmidi.c

+1 −1
Original line number Diff line number Diff line
@@ -976,9 +976,9 @@ static long snd_rawmidi_kernel_read1(struct snd_rawmidi_substream *substream, 
	struct snd_rawmidi_runtime *runtime = substream->runtime;

	unsigned long appl_ptr;



	spin_lock_irqsave(&runtime->lock, flags);

	if (userbuf)

		mutex_lock(&runtime->realloc_mutex);

	spin_lock_irqsave(&runtime->lock, flags);

	while (count > 0 && runtime->avail) {

		count1 = runtime->buffer_size - runtime->appl_ptr;

		if (count1 > count)