diff options
| -rw-r--r-- | drivers/staging/fwserial/fwserial.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/staging/fwserial/fwserial.c b/drivers/staging/fwserial/fwserial.c index 258ac35..fe9a688 100644 --- a/drivers/staging/fwserial/fwserial.c +++ b/drivers/staging/fwserial/fwserial.c @@ -577,8 +577,11 @@ static int fwtty_buffer_rx(struct fwtty_port *port, unsigned char *d, size_t n) struct buffered_rx *buf; size_t size = (n + sizeof(struct buffered_rx) + 0xFF) & ~0xFF; - if (port->buffered + n > HIGH_WATERMARK) + if (port->buffered + n > HIGH_WATERMARK) { + fwtty_err_ratelimited(port, "overflowed rx buffer: buffered: %d new: %ld wtrmk: %d", + port->buffered, n, HIGH_WATERMARK); return 0; + } buf = kmalloc(size, GFP_ATOMIC); if (!buf) return 0; |