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-rw-r--r--drivers/s390/cio/qdio_main.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index 75b521963a4..0038750ad94 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -1497,18 +1497,13 @@ out:
* @count: how many buffers to process
*/
int do_QDIO(struct ccw_device *cdev, unsigned int callflags,
- int q_nr, int bufnr, int count)
+ int q_nr, unsigned int bufnr, unsigned int count)
{
struct qdio_irq *irq_ptr;
- if ((bufnr > QDIO_MAX_BUFFERS_PER_Q) ||
- (count > QDIO_MAX_BUFFERS_PER_Q) ||
- (q_nr >= QDIO_MAX_QUEUES_PER_IRQ))
+ if (bufnr >= QDIO_MAX_BUFFERS_PER_Q || count > QDIO_MAX_BUFFERS_PER_Q)
return -EINVAL;
- if (!count)
- return 0;
-
irq_ptr = cdev->private->qdio_data;
if (!irq_ptr)
return -ENODEV;