Coverity reports that pointers ip and ip6 may be dereferenced
with null value. This patch fixes this.
Coverity issue: 365549
Coverity issue: 365551
Fixes: 8f685ec2d545 ("crypto/octeontx2: support AES-CBC SHA1-HMAC")
Signed-off-by: Ankur Dwivedi <redacted>
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v2:
* Fixed wrong fixes reference in commit message.