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soc: ti: fix max dup length for kstrndup

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If source string longer than max, kstrndup will alloc max+1 space.
So, we should make sure the result will not over limit.

Signed-off-by: Ma Shimiao <mashimiao.fnst@cn.fujitsu.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
This commit is contained in:
Ma Shimiao 2017-12-16 14:45:33 -08:00 committed by Santosh Shilimkar
parent bd0fa74e7c
commit aefc581855
1 changed files with 2 additions and 2 deletions
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4
drivers/soc/ti/knav_qmss_queue.c
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@ -225,7 +225,7 @@ static struct knav_queue *__knav_queue_open(struct knav_queue_inst *inst,
if (!knav_queue_is_busy(inst)) {
struct knav_range_info *range = inst->range;
inst->name = kstrndup(name, KNAV_NAME_SIZE, GFP_KERNEL);
inst->name = kstrndup(name, KNAV_NAME_SIZE - 1, GFP_KERNEL);
if (range->ops && range->ops->open_queue)
ret = range->ops->open_queue(range, inst, flags);
@ -779,7 +779,7 @@ void *knav_pool_create(const char *name,
goto err;
}
pool->name = kstrndup(name, KNAV_NAME_SIZE, GFP_KERNEL);
pool->name = kstrndup(name, KNAV_NAME_SIZE - 1, GFP_KERNEL);
pool->kdev = kdev;
pool->dev = kdev->dev;