diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/s390/cio/qdio_main.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c index d5b02de02a3a..6b340e6e29ac 100644 --- a/drivers/s390/cio/qdio_main.c +++ b/drivers/s390/cio/qdio_main.c @@ -502,8 +502,8 @@ static inline void inbound_primed(struct qdio_q *q, int count) static int get_inbound_buffer_frontier(struct qdio_q *q) { - int count, stop; unsigned char state = 0; + int count; q->timestamp = get_tod_clock_fast(); @@ -512,9 +512,7 @@ static int get_inbound_buffer_frontier(struct qdio_q *q) * would return 0. */ count = min(atomic_read(&q->nr_buf_used), QDIO_MAX_BUFFERS_MASK); - stop = add_buf(q->first_to_check, count); - - if (q->first_to_check == stop) + if (!count) goto out; /* @@ -734,8 +732,8 @@ void qdio_inbound_processing(unsigned long data) static int get_outbound_buffer_frontier(struct qdio_q *q) { - int count, stop; unsigned char state = 0; + int count; q->timestamp = get_tod_clock_fast(); @@ -751,8 +749,7 @@ static int get_outbound_buffer_frontier(struct qdio_q *q) * would return 0. */ count = min(atomic_read(&q->nr_buf_used), QDIO_MAX_BUFFERS_MASK); - stop = add_buf(q->first_to_check, count); - if (q->first_to_check == stop) + if (!count) goto out; count = get_buf_states(q, q->first_to_check, &state, count, 0, 1); |