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>
This commit is contained in:
Fabio Estevam 2013-11-08 01:09:47 -02:00 committed by Greg Kroah-Hartman
parent b8c8fc6a47
commit 46adcf3d82

View file

@ -88,6 +88,7 @@ static int host_start(struct ci_hdrc *ci)
return ret;
disable_reg:
if (ci->platdata->reg_vbus)
regulator_disable(ci->platdata->reg_vbus);
put_hcd: