[media] vivid: Fix iteration in driver removal path
commit a5d42b8c upstream. When the diver is removed and all the resources are deallocated, we should be iterating through the created devices only. Currently, the iteration ends when vivid_devs[i] is NULL. Since the array contains VIVID_MAX_DEVS elements, it will oops if n_devs=VIVID_MAX_DEVS because in that case, no element is NULL. Fixes: c88a96b0 ('[media] vivid: add core driver code') Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Signed-off-by: Kamal Mostafa <kamal@canonical.com>
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