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media: ipu3-cio2: Simplify cleanup code

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The code looks more nicer if we use:
	while (i--)
instead:
	for (i = i - 1; i >= 0; i--)

This would also allow making 'i' unsigned again.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Andy Shevchenko 2020-08-17 18:07:24 +02:00 committed by Mauro Carvalho Chehab
parent d8fc21c170
commit bbacb27403
1 changed files with 2 additions and 2 deletions
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4
drivers/media/pci/intel/ipu3/ipu3-cio2.c
View file

@ -847,7 +847,7 @@ static int cio2_vb2_buf_init(struct vb2_buffer *vb)
unsigned int lops = DIV_ROUND_UP(pages + 1, entries_per_page);
struct sg_table *sg;
struct sg_dma_page_iter sg_iter;
int i, j;
unsigned int i, j;
if (lops <= 0 || lops > CIO2_MAX_LOPS) {
dev_err(dev, "%s: bad buffer size (%i)\n", __func__,
@ -887,7 +887,7 @@ static int cio2_vb2_buf_init(struct vb2_buffer *vb)
b->lop[i][j] = cio2->dummy_page_bus_addr >> PAGE_SHIFT;
return 0;
fail:
for (i--; i >= 0; i--)
while (i--)
dma_free_coherent(dev, CIO2_PAGE_SIZE,
b->lop[i], b->lop_bus_addr[i]);
return -ENOMEM;