* pcm: pcm_ioplug - fix the avail_update mmap capture copy issue
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@ 2021-01-21 14:52 ` GitHub pull_request - opened
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From: GitHub pull_request - opened @ 2021-01-21 14:52 UTC (permalink / raw)
To: alsa-devel
alsa-project/alsa-lib pull request #115 was opened from perexg:
It seems that the commit "pcm: ioplug: Transfer all available data"
introduced new regressions (wrong memory access). The second issue
is that the avail_update in ioplug does not move appl_ptr nor hw_ptr,
so it's possible that the transfers may be repetitive.
This patch moves the transfer calls to mmap_begin callback where it
should be. The pointer wraps are handled by design now.
Fixes: 1714332719 ("pcm: ioplug: Transfer all available data")
BugLink: https://github.com/alsa-project/alsa-lib/pull/103
Request URL : https://github.com/alsa-project/alsa-lib/pull/115
Patch URL : https://github.com/alsa-project/alsa-lib/pull/115.patch
Repository URL: https://github.com/alsa-project/alsa-lib
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2021-01-21 14:52 ` pcm: pcm_ioplug - fix the avail_update mmap capture copy issue GitHub pull_request - opened
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