USB: serial: fix infinite wait_until_sent timeout
authorJohan Hovold <johan@kernel.org>
Wed, 4 Mar 2015 09:39:05 +0000 (10:39 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 7 Mar 2015 02:44:14 +0000 (03:44 +0100)
commitf528bf4f57e43d1af4b2a5c97f09e43e0338c105
tree599108204401d6b24eeb197e1ab5999463873f44
parent6b270fd4db08fc13683d616a733d9cacdd3b4afa
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>
drivers/usb/serial/generic.c