From: Dan Carpenter <error27@xxxxxxxxx> Return an error if the controller is not found. Signed-off-by: Dan Carpenter <error27@xxxxxxxxx> Cc: Luca Risolia <luca.risolia@xxxxxxxxxxxxxxx> Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxx> Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/media/video/zc0301/zc0301_core.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff -puN drivers/media/video/zc0301/zc0301_core.c~drivers-media-video-zc0301-zc0301_corec-improve-error-handling drivers/media/video/zc0301/zc0301_core.c --- a/drivers/media/video/zc0301/zc0301_core.c~drivers-media-video-zc0301-zc0301_corec-improve-error-handling +++ a/drivers/media/video/zc0301/zc0301_core.c @@ -1153,7 +1153,7 @@ zc0301_vidioc_s_ctrl(struct zc0301_devic if (copy_from_user(&ctrl, arg, sizeof(ctrl))) return -EFAULT; - for (i = 0; i < ARRAY_SIZE(s->qctrl); i++) + for (i = 0; i < ARRAY_SIZE(s->qctrl); i++) { if (ctrl.id == s->qctrl[i].id) { if (s->qctrl[i].flags & V4L2_CTRL_FLAG_DISABLED) return -EINVAL; @@ -1163,7 +1163,9 @@ zc0301_vidioc_s_ctrl(struct zc0301_devic ctrl.value -= ctrl.value % s->qctrl[i].step; break; } - + } + if (i == ARRAY_SIZE(s->qctrl)) + return -EINVAL; if ((err = s->set_ctrl(cam, &ctrl))) return err; _ -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html