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path: root/drivers/tty/ehv_bytechan.c
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Diffstat (limited to 'drivers/tty/ehv_bytechan.c')
-rw-r--r--drivers/tty/ehv_bytechan.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/tty/ehv_bytechan.c b/drivers/tty/ehv_bytechan.c
index 5164f9a57017..ed92622b8949 100644
--- a/drivers/tty/ehv_bytechan.c
+++ b/drivers/tty/ehv_bytechan.c
@@ -371,16 +371,11 @@ console_initcall(ehv_bc_console_init);
static irqreturn_t ehv_bc_tty_rx_isr(int irq, void *data)
{
struct ehv_bc_data *bc = data;
- struct tty_struct *ttys = tty_port_tty_get(&bc->port);
unsigned int rx_count, tx_count, len;
int count;
char buffer[EV_BYTE_CHANNEL_MAX_BYTES];
int ret;
- /* ttys could be NULL during a hangup */
- if (!ttys)
- return IRQ_HANDLED;
-
/* Find out how much data needs to be read, and then ask the TTY layer
* if it can handle that much. We want to ensure that every byte we
* read from the byte channel will be accepted by the TTY layer.
@@ -422,9 +417,7 @@ static irqreturn_t ehv_bc_tty_rx_isr(int irq, void *data)
}
/* Tell the tty layer that we're done. */
- tty_flip_buffer_push(ttys);
-
- tty_kref_put(ttys);
+ tty_flip_buffer_push(&bc->port);
return IRQ_HANDLED;
}