Re: [PATCH] ALSA: dmaengine: increment buffer pointer atomically

From: Takashi Iwai
Date: Tue Sep 27 2022 - 02:55:42 EST


On Mon, 26 Sep 2022 18:58:13 +0200,
Eugeniu Rosca wrote:
>
> From: Andreas Pape <apape@xxxxxxxxxxxxxx>
>
> Setting pointer and afterwards checking for wraparound leads
> to the possibility of returning the inconsistent pointer position.
>
> This patch increments buffer pointer atomically to avoid this issue.
>
> Fixes: e7f73a1613567a ("ASoC: Add dmaengine PCM helper functions")
> Signed-off-by: Andreas Pape <apape@xxxxxxxxxxxxxx>
> Signed-off-by: Eugeniu Rosca <erosca@xxxxxxxxxxxxxx>

Thanks, applied.


Takashi