usb: gadget: uvc: prevent index variables to start from 0
authorMichael Grzeschik <m.grzeschik@pengutronix.de>
Thu, 21 Apr 2022 21:14:23 +0000 (23:14 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 5 May 2022 20:08:09 +0000 (22:08 +0200)
commita350cfb6537f94be8a6423bc68a7a7883263c306
tree1bb7dbc1bab3088bf3b2a02ddbbe3a2957a8cc61
parent4a7ffc10d19555d75aefb686fd5d91509b3f6f01
usb: gadget: uvc: prevent index variables to start from 0

Some configfs variables like bDefaultFrameIndex are always starting by
1. This patch adds a check to prevent setting those variables to 0.

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Link: https://lore.kernel.org/r/20220421211427.3400834-4-m.grzeschik@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/gadget/function/uvc_configfs.c