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path: root/drivers/media/IR/mceusb.c
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Diffstat (limited to 'drivers/media/IR/mceusb.c')
-rw-r--r--drivers/media/IR/mceusb.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/media/IR/mceusb.c b/drivers/media/IR/mceusb.c
index 1811098..ed151c8 100644
--- a/drivers/media/IR/mceusb.c
+++ b/drivers/media/IR/mceusb.c
@@ -446,7 +446,7 @@ static void mceusb_dev_printdata(struct mceusb_dev *ir, char *buf,
return;
/* skip meaningless 0xb1 0x60 header bytes on orig receiver */
- if (ir->flags.microsoft_gen1 && !out)
+ if (ir->flags.microsoft_gen1 && !out && !offset)
skip = 2;
if (len <= skip)
@@ -807,6 +807,10 @@ static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len)
if (ir->flags.microsoft_gen1)
i = 2;
+ /* if there's no data, just return now */
+ if (buf_len <= i)
+ return;
+
for (; i < buf_len; i++) {
switch (ir->parser_state) {
case SUBCMD: