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authorArd Biesheuvel <ard.biesheuvel@linaro.org>2019-09-03 09:43:30 -0700
committerHerbert Xu <herbert@gondor.apana.org.au>2019-09-09 17:35:38 +1000
commit6017826b494008895632e092cc49c0bdb3019eab (patch)
treeb6509d8bfc0f466fb74b389e3d1f7d33add7fd97 /include/crypto
parent69b6f2e817e5bdb6d536241edaa11d7a67c64d00 (diff)
downloadlinux-6017826b494008895632e092cc49c0bdb3019eab.tar.bz2
crypto: skcipher - add the ability to abort a skcipher walk
After starting a skcipher walk, the only way to ensure that all resources it has tied up are released is to complete it. In some cases, it will be useful to be able to abort a walk cleanly after it has started, so add this ability to the skcipher walk API. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/crypto')
-rw-r--r--include/crypto/internal/skcipher.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/crypto/internal/skcipher.h b/include/crypto/internal/skcipher.h
index d68faa5759ad..734b6f7081b8 100644
--- a/include/crypto/internal/skcipher.h
+++ b/include/crypto/internal/skcipher.h
@@ -148,6 +148,11 @@ int skcipher_walk_aead_decrypt(struct skcipher_walk *walk,
struct aead_request *req, bool atomic);
void skcipher_walk_complete(struct skcipher_walk *walk, int err);
+static inline void skcipher_walk_abort(struct skcipher_walk *walk)
+{
+ skcipher_walk_done(walk, -ECANCELED);
+}
+
static inline void ablkcipher_request_complete(struct ablkcipher_request *req,
int err)
{