On Tue, 2015-12-29 at 13:46 +0800, Lu Baolu wrote: > In current acm driver, the bulk-in callback function ignores the > URBs unlinked in usb core. > > This causes unexpected data loss in some cases. For example, > runtime suspend entry will unlinked all urbs and set urb->status > to -ENOENT even those urbs might have data not processed yet. > Hence, data loss occurs. > > This patch lets bulk-in callback function handle unlinked urbs > to avoid data loss. > > Signed-off-by: Tang Jian Qiang <jianqiang.t...@intel.com> > Signed-off-by: Lu Baolu <baolu...@linux.intel.com> > Cc: stable@vger.kernel.org Acked-by: Oliver Neukum <oneu...@suse.com>
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