This cast allows to regain the struct ablkcipher_request for a request
from private data.
Signed-off-by: Sebastian Siewior <linux-crypto@xxxxxxxxxxxxxxxx>
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -580,6 +580,12 @@ static inline struct ablkcipher_request
return container_of(req, struct ablkcipher_request, base);
}
+static inline struct ablkcipher_request *ablkcipher_ctx_cast(
+ void *ctx)
+{
+ return container_of(ctx, struct ablkcipher_request, __ctx);
+}
+
static inline struct ablkcipher_request *ablkcipher_request_alloc(
struct crypto_ablkcipher *tfm, gfp_t gfp)
{
--
-
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