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ALSA: control: Make sure that id->index does not overflow
The ALSA control code expects that the range of assigned indices to a control is continuous and does not overflow. Currently there are no checks to enforce this. If a control with a overflowing index range is created that control becomes effectively inaccessible and unremovable since snd_ctl_find_id() will not be able to find it. This patch adds a check that makes sure that controls with a overflowing index range can not be created. Signed-off-by: Lars-Peter Clausen <firstname.lastname@example.org> Acked-by: Jaroslav Kysela <email@example.com> Cc: <firstname.lastname@example.org> Signed-off-by: Takashi Iwai <email@example.com>
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