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d07f951903
When processing the last block, the s390 ctr code will always read
a whole block, even if there isn't a whole block of data left. Fix
this by using the actual length left and copy it into a buffer first
for processing.
Fixes: 0200f3ecc196 ("crypto: s390 - add System z hardware support for CTR mode")
Cc: <stable@vger.kernel.org>
Reported-by: Guangwu Zhang <guazhang@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Reviewd-by: Harald Freudenberger <freude@de.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>