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b81126e01a
The return code of cpacf_kmc() is less than the number of bytes to process in case of an error, not greater. The crypt routines for the other cipher modes already have this correctly. Cc: stable@vger.kernel.org # v4.11+ Fixes: 279378430768 ("s390/crypt: Add protected key AES module") Signed-off-by: Ingo Franzki <ifranzki@linux.ibm.com> Acked-by: Harald Freudenberger <freude@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>