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由 David Brownell 提交于
The "increase cdc-acm write throughput" patch left in place two now-obsolete mechanisms, either of which can make the cdc-acm driver drop TX data (nasty!). This patch removes them: - The write_ready flag ... if an URB and buffer were found, they can (and should!) always be used. - TX path acm_wb_is_used() ... used when the buffer was just allocated, so that check is pointless. Also fix a won't-yet-matter leak of a write buffer on a disconnect path. Signed-off-by: NDavid Brownell <dbrownell@users.sourceforge.net> Cc: David Engraf <david.engraf@netcom.eu> Acked-by: NOliver Neukum <oneukum@suse.de> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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