Herbert Xu 486bfb0591 crypto: akcipher - Do not copy dst if it is NULL ...

As signature verification has a NULL destination buffer, the pointer
needs to be checked before the memcpy is done.

Fixes: addde1f2c9 ("crypto: akcipher - Add sync interface without SG lists")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

2023-06-27 17:59:52 +08:00

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