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Commit 7b3a177b authored by Jaroslav Kysela's avatar Jaroslav Kysela
Browse files

ALSA: pcm_lib: fix "something must be really wrong" condition 



When runtime->periods == 1 or when pointer crosses end of ring buffer,
the delta might be greater than buffer_size.

Signed-off-by: default avatarJaroslav Kysela <perex@perex.cz>
parent 1250932e

sound/core/pcm_lib.c

+1 −1
Original line number Diff line number Diff line
@@ -362,7 +362,7 @@ static int snd_pcm_update_hw_ptr0(struct snd_pcm_substream *substream, 
			   (unsigned long)runtime->hw_ptr_base);

	}

	/* something must be really wrong */

	if (delta >= runtime->buffer_size) {

	if (delta >= runtime->buffer_size + runtime->period_size) {

		hw_ptr_error(substream,

			       "Unexpected hw_pointer value %s"

			       "(stream=%i, pos=%ld, new_hw_ptr=%ld, "