tree 4eb800118326eaacb9da8d2b583932a1efe08080
parent b8c8fc6a47f4bb0691b0b0b39e54c58b4f6cea09
author Fabio Estevam <fabio.estevam@freescale.com> 1383880187 -0200
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1386094572 -0800

usb: chipidea: host: Only disable the vbus regulator if it is not NULL

Commit 40ed51a4b (usb: chipidea: host: add vbus regulator
control) introduced a smatch complaint because regulator_disable() is called
without checking whether ci->platdata->reg_vbus is not NULL.

Fix this by adding the check.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>