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The kernel driver currently short circuits the check for empty queue entries if the entry arrives empty. Ordinarily the check is run every time data is taken out of a queue entry and would recycle the entry once empty. The short circuiting is being fixed in the kernel, but this device change fixes the unnecessary empty queue entries from happening in the first place. BUG=chromium:791724 TEST=test code from the BUG Change-Id: I5b72aac843def052bfe1234dfbde236274ae02bb Reviewed-on: https://chromium-review.googlesource.com/974883 Commit-Ready: Zach Reizner <zachr@chromium.org> Tested-by: Zach Reizner <zachr@chromium.org> Reviewed-by: Stephen Barber <smbarber@chromium.org> |
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Cargo.toml |