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device-dax: delete a redundancy check in dev_dax_validate_align()

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After we have done the alignment check for the length of each range, the
alignment check for dev_dax_size(dev_dax) is no longer needed, because it
get the sum of the length of each range.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Link: https://lore.kernel.org/r/20201120092057.2144-1-thunder.leizhen@huawei.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Zhen Lei 2020-11-20 17:20:57 +08:00 committed by Dan Williams
parent 1aa5743125
commit 8bcbe3132c
1 changed files with 0 additions and 7 deletions
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7
drivers/dax/bus.c
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@ -1114,16 +1114,9 @@ static ssize_t align_show(struct device *dev,
static ssize_t dev_dax_validate_align(struct dev_dax *dev_dax)
{
resource_size_t dev_size = dev_dax_size(dev_dax);
struct device *dev = &dev_dax->dev;
int i;
if (dev_size > 0 && !alloc_is_aligned(dev_dax, dev_size)) {
dev_dbg(dev, "%s: align %u invalid for size %pa\n",
__func__, dev_dax->align, &dev_size);
return -EINVAL;
}
for (i = 0; i < dev_dax->nr_range; i++) {
size_t len = range_len(&dev_dax->ranges[i].range);