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| author |   Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2021-01-15 08:49:57 +0200 |
|---|---|---|
| committer | Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2021-01-15 08:49:57 +0200 |
| commit | d263dfa7d2697a43f3299b9731cd568ee49cdd2c (patch) | |
| tree | f5d993c7000ac41ee926acf0b357ec572ef7908f /sound/core/pcm_native.c | |
| parent | drm/i915/gt: Prune inlines (diff) | |
| parent | Merge tag 'drm-intel-gt-next-2021-01-14' of git://anongit.freedesktop.org/drm/drm-intel into drm-next (diff) | |
| download | wireguard-linux-d263dfa7d2697a43f3299b9731cd568ee49cdd2c.tar.xz wireguard-linux-d263dfa7d2697a43f3299b9731cd568ee49cdd2c.zip | |
Merge drm/drm-next into drm-intel-gt-next
Backmerging to get a common base for merging topic branches between
drm-intel-next and drm-intel-gt-next.
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Diffstat (limited to 'sound/core/pcm_native.c')
| -rw-r--r-- | sound/core/pcm_native.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 47b155a49226..9f3f8e953ff0 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -755,8 +755,13 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream, runtime->boundary *= 2; /* clear the buffer for avoiding possible kernel info leaks */ - if (runtime->dma_area && !substream->ops->copy_user) - memset(runtime->dma_area, 0, runtime->dma_bytes); + if (runtime->dma_area && !substream->ops->copy_user) { + size_t size = runtime->dma_bytes; + + if (runtime->info & SNDRV_PCM_INFO_MMAP) + size = PAGE_ALIGN(size); + memset(runtime->dma_area, 0, size); + } snd_pcm_timer_resolution_change(substream); snd_pcm_set_state(substream, SNDRV_PCM_STATE_SETUP); |