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path: root/drivers/usb/serial/ti_usb_3410_5052.c
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Diffstat (limited to 'drivers/usb/serial/ti_usb_3410_5052.c')
-rw-r--r--drivers/usb/serial/ti_usb_3410_5052.c20
1 files changed, 7 insertions, 13 deletions
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index abb830cb77bd..c18db3257073 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -1280,24 +1280,18 @@ static void ti_recv(struct device *dev, struct tty_struct *tty,
int cnt;
do {
- if (tty->flip.count >= TTY_FLIPBUF_SIZE) {
- tty_flip_buffer_push(tty);
- if (tty->flip.count >= TTY_FLIPBUF_SIZE) {
- dev_err(dev, "%s - dropping data, %d bytes lost\n", __FUNCTION__, length);
- return;
- }
+ cnt = tty_buffer_request_room(tty, length);
+ if (cnt < length) {
+ dev_err(dev, "%s - dropping data, %d bytes lost\n", __FUNCTION__, length - cnt);
+ if(cnt == 0)
+ break;
}
- cnt = min(length, TTY_FLIPBUF_SIZE - tty->flip.count);
- memcpy(tty->flip.char_buf_ptr, data, cnt);
- memset(tty->flip.flag_buf_ptr, 0, cnt);
- tty->flip.char_buf_ptr += cnt;
- tty->flip.flag_buf_ptr += cnt;
- tty->flip.count += cnt;
+ tty_insert_flip_string(tty, data, cnt);
+ tty_flip_buffer_push(tty);
data += cnt;
length -= cnt;
} while (length > 0);
- tty_flip_buffer_push(tty);
}