diff options
Diffstat (limited to 'drivers/usb/serial/pl2303.c')
| -rw-r--r-- | drivers/usb/serial/pl2303.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 90d0e7935665..0cd42bf4c6c8 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -1064,10 +1064,10 @@ static void pl2303_buf_clear(struct pl2303_buf *pb) */ static unsigned int pl2303_buf_data_avail(struct pl2303_buf *pb) { - if (pb != NULL) - return ((pb->buf_size + pb->buf_put - pb->buf_get) % pb->buf_size); - else + if (pb == NULL) return 0; + + return ((pb->buf_size + pb->buf_put - pb->buf_get) % pb->buf_size); } /* @@ -1078,10 +1078,10 @@ static unsigned int pl2303_buf_data_avail(struct pl2303_buf *pb) */ static unsigned int pl2303_buf_space_avail(struct pl2303_buf *pb) { - if (pb != NULL) - return ((pb->buf_size + pb->buf_get - pb->buf_put - 1) % pb->buf_size); - else + if (pb == NULL) return 0; + + return ((pb->buf_size + pb->buf_get - pb->buf_put - 1) % pb->buf_size); } /* |