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iio: buffer-dma: Use ARRAY_SIZE in for loop range 

Use the ARRAY_SIZE macro in the for loops that access queue->fileio.blocks.
Macro is already used in a couple of places where this access occurs,
but range was hardcoded in these locations.

Signed-off-by: Phil Reid <preid@electromag.com.au>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Phil Reid 2016-06-27 11:17:56 +08:00 committed by Jonathan Cameron
parent c48c7b2e47
commit 29e3e06d89
1 changed files with 2 additions and 2 deletions
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4
drivers/iio/buffer/industrialio-buffer-dma.c
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@ -305,7 +305,7 @@ int iio_dma_buffer_request_update(struct iio_buffer *buffer)
queue->fileio.active_block = NULL;
spin_lock_irq(&queue->list_lock);
for (i = 0; i < 2; i++) {
for (i = 0; i < ARRAY_SIZE(queue->fileio.blocks); i++) {
block = queue->fileio.blocks[i];
/* If we can't re-use it free it */
@ -323,7 +323,7 @@ int iio_dma_buffer_request_update(struct iio_buffer *buffer)
INIT_LIST_HEAD(&queue->incoming);
for (i = 0; i < 2; i++) {
for (i = 0; i < ARRAY_SIZE(queue->fileio.blocks); i++) {
if (queue->fileio.blocks[i]) {
block = queue->fileio.blocks[i];
if (block->state == IIO_BLOCK_STATE_DEAD) {