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Diffstat (limited to 'sound/usb/caiaq')
-rw-r--r--sound/usb/caiaq/input.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/usb/caiaq/input.c b/sound/usb/caiaq/input.c
index 5c70fdf61cc1..2db4d1332df1 100644
--- a/sound/usb/caiaq/input.c
+++ b/sound/usb/caiaq/input.c
@@ -330,7 +330,7 @@ static void snd_usb_caiaq_tks4_dispatch(struct snd_usb_caiaqdev *cdev,
{
struct device *dev = caiaqdev_to_dev(cdev);
- while (len) {
+ while (len >= TKS4_MSGBLOCK_SIZE) {
unsigned int i, block_id = (buf[0] << 8) | buf[1];
switch (block_id) {