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(parent: f1ab428) | patch
crypto: sunxi-ss - Fix a possible driver hang with ciphers
authorLABBE Corentin <clabbe.montjoie@gmail.com>
Wed, 9 Sep 2015 12:27:07 +0000 (14:27 +0200)
committerHerbert Xu <herbert@gondor.apana.org.au>
Thu, 10 Sep 2015 09:22:55 +0000 (17:22 +0800)
commit9da75de030bb6e49475ef37c8495d07e98cfeb33
tree728713e8fbfe7790c480e663fab64d6ce4b9af7btree | snapshot
parentf1ab428711358fbb747ba392c3448462494e6c6acommit | diff
crypto: sunxi-ss - Fix a possible driver hang with ciphers

The sun4i_ss_opti_poll function cipher data until the output miter have
a length of 0.
If the crypto API client, give more SGs than necessary this could result
in an infinite loop.
Fix it by checking for remaining bytes, just like sun4i_ss_cipher_poll().

Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
drivers/crypto/sunxi-ss/sun4i-ss-cipher.c diff | blob | history
Domain: System / Kernel;