crypto: caam - check sg_count() return value

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sg_count() internally calls sg_nents_for_len(), which could fail
in case the required number of bytes is larger than the total
bytes in the S/G.

Thus, add checks to validate the input.

Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

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Horia Geantă 2017-02-10 14:07:18 +02:00 • committed by Herbert Xu

parent fd88aac93e

commit fd144d83cc

1 changed files with 42 additions and 2 deletions

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44

drivers/crypto/caam/caamalg.c

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