ALSA: echoaudio: read past end of array
We need to cap "ucontrol->id.index / num_busses_in(chip)" so the we don't read beyond the end of the array. I also adding a check on "in" and changing the type in snd_echo_mixer_put() from short to unsigned int. Those changes are done for symmetry and are cosmetic. Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com> Signed-off-by: NTakashi Iwai <tiwai@suse.de>
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