media: uvcvideo: Fix dereference of out-of-bound list iterator
Fixes the following coccinelle report: drivers/media/usb/uvc/uvc_ctrl.c:1860:5-11: ERROR: invalid reference to the index variable of the iterator on line 1854 by adding a boolean variable to check if the loop has found the Found using - Coccinelle (http://coccinelle.lip6.fr) [Replace cursor variable with bool found] Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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