diff options
Diffstat (limited to 'arch/cris/arch-v10')
| -rw-r--r-- | arch/cris/arch-v10/drivers/sync_serial.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/cris/arch-v10/drivers/sync_serial.c b/arch/cris/arch-v10/drivers/sync_serial.c index 04d39e0ca55d..29eb02ab3f25 100644 --- a/arch/cris/arch-v10/drivers/sync_serial.c +++ b/arch/cris/arch-v10/drivers/sync_serial.c @@ -22,6 +22,7 @@ #include <linux/init.h> #include <linux/mutex.h> #include <linux/timer.h> +#include <linux/wait.h> #include <asm/irq.h> #include <asm/dma.h> #include <asm/io.h> @@ -1136,7 +1137,8 @@ static ssize_t sync_serial_read(struct file *file, char *buf, if (file->f_flags & O_NONBLOCK) return -EAGAIN; - interruptible_sleep_on(&port->in_wait_q); + wait_event_interruptible(port->in_wait_q, + !(start == end && !port->full)); if (signal_pending(current)) return -EINTR; |