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authorClemens Ladisch <clemens@ladisch.de>2005-08-15 02:25:50 -0400
committerJaroslav Kysela <perex@suse.cz>2005-08-30 02:45:50 -0400
commitdaa150ef7d437d17973210f47a1c58623415df94 (patch)
treee41056adf7f00cad4681051d4b7d6b524ea8a68f /Documentation
parent9624ea812c7afd2e403c56366cadddb9ecfb88c6 (diff)
[ALSA] usb-audio: properly lock hwptr_done accesses
USB generic driver Take the substream lock when reading hwptr_done to avoid a race condition with the updates in the URB callbacks. Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
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