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USB: serial: add special case for processing of empty read urbs
authorJohan Hovold <jhovold@gmail.com>
Sat, 15 May 2010 15:53:44 +0000 (17:53 +0200)
committerGreg Kroah-Hartman <gregkh@suse.de>
Thu, 20 May 2010 20:21:48 +0000 (13:21 -0700)
Return immediately from generic process_read_urb if urb is empty.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

No differences found
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