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-rw-r--r--drivers/media/rc/mceusb.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c
index 1619b748469b..1ca49491abc8 100644
--- a/drivers/media/rc/mceusb.c
+++ b/drivers/media/rc/mceusb.c
@@ -1177,6 +1177,11 @@ static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len)
init_ir_raw_event(&rawir);
rawir.pulse = ((ir->buf_in[i] & MCE_PULSE_BIT) != 0);
rawir.duration = (ir->buf_in[i] & MCE_PULSE_MASK);
+ if (unlikely(!rawir.duration)) {
+ dev_warn(ir->dev, "nonsensical irdata %02x with duration 0",
+ ir->buf_in[i]);
+ break;
+ }
if (rawir.pulse) {
ir->pulse_tunit += rawir.duration;
ir->pulse_count++;
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