tree 599108204401d6b24eeb197e1ab5999463873f44
parent 6b270fd4db08fc13683d616a733d9cacdd3b4afa
author Johan Hovold <johan@kernel.org> 1425461945 +0100
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1425696254 +0100

USB: serial: fix infinite wait_until_sent timeout

Make sure to handle an infinite timeout (0).

Note that wait_until_sent is currently never called with a 0-timeout
argument due to a bug in tty_wait_until_sent.

Fixes: dcf010503966 ("USB: serial: add generic wait_until_sent
implementation")
Cc: stable <stable@vger.kernel.org>	# v3.10

Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>