Files
linux/drivers/crypto/omap-crypto.c
Ben Hutchings ffe3ee8bb6 crypto: omap - Avoid redundant copy when using truncated sg list
omap_crypto_cleanup() currently copies data from sg to orig if either
copy flag is set.  However OMAP_CRYPTO_SG_COPIED means that sg refers
to the same pages as orig, truncated to len bytes.  There is no need
to copy in this case.

Only copy data if the OMAP_CRYPTO_DATA_COPIED flag is set.

Fixes: 74ed87e7e7 ("crypto: omap - add base support library for common ...")
Signed-off-by: Ben Hutchings <ben.hutchings@mind.be>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2021-08-21 15:44:53 +08:00

4.7 KiB