diff options
Diffstat (limited to 'drivers/tty/ehv_bytechan.c')
| -rw-r--r-- | drivers/tty/ehv_bytechan.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/tty/ehv_bytechan.c b/drivers/tty/ehv_bytechan.c index a067628e01c8..cc9f4338da60 100644 --- a/drivers/tty/ehv_bytechan.c +++ b/drivers/tty/ehv_bytechan.c @@ -143,9 +143,12 @@ static unsigned int local_ev_byte_channel_send(unsigned int handle, char buffer[EV_BYTE_CHANNEL_MAX_BYTES]; unsigned int c = *count; + /* + * ev_byte_channel_send() expects at least EV_BYTE_CHANNEL_MAX_BYTES + * (16 B) in the buffer. Fake it using a local buffer if needed. + */ if (c < sizeof(buffer)) { - memcpy(buffer, p, c); - memset(&buffer[c], 0, sizeof(buffer) - c); + memcpy_and_pad(buffer, sizeof(buffer), p, c, 0); p = buffer; } return ev_byte_channel_send(handle, count, p); |