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zhong jiang committed 827fd299a16
s390/zcrypt: Use kmemdup to replace kmalloc + memcpy kmemdup has implemented the function that kmalloc() + memcpy() will do. We prefer to use the kmemdup function rather than an open coded implementation. Signed-off-by: zhong jiang <zhongjiang@huawei.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>