diff options
Diffstat (limited to 'drivers/media/IR')
| -rw-r--r-- | drivers/media/IR/mceusb.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/media/IR/mceusb.c b/drivers/media/IR/mceusb.c index 18110987597e..ed151c8290fe 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: |