Commit 0efae411 authored by Herbert Xu's avatar Herbert Xu
Browse files

crypto: acomp - Clone folios properly 



The folios contain references to the request itself so they must
be setup again in the cloned request.

Fixes: 5f3437e9 ("crypto: acomp - Simplify folio handling")
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 8f66ccbd

crypto/acompress.c

+18 −0
Original line number Diff line number Diff line
@@ -566,5 +566,23 @@ int acomp_walk_virt(struct acomp_walk *__restrict walk, 
}

EXPORT_SYMBOL_GPL(acomp_walk_virt);



struct acomp_req *acomp_request_clone(struct acomp_req *req,

				      size_t total, gfp_t gfp)

{

	struct acomp_req *nreq;



	nreq = container_of(crypto_request_clone(&req->base, total, gfp),

			    struct acomp_req, base);

	if (nreq == req)

		return req;



	if (req->src == &req->chain.ssg)

		nreq->src = &nreq->chain.ssg;

	if (req->dst == &req->chain.dsg)

		nreq->dst = &nreq->chain.dsg;

	return nreq;

}

EXPORT_SYMBOL_GPL(acomp_request_clone);



MODULE_LICENSE("GPL");

MODULE_DESCRIPTION("Asynchronous compression type");

include/crypto/acompress.h

+2 −6
Original line number Diff line number Diff line
@@ -551,11 +551,7 @@ static inline struct acomp_req *acomp_request_on_stack_init( 
	return req;

}



static inline struct acomp_req *acomp_request_clone(struct acomp_req *req,

						    size_t total, gfp_t gfp)

{

	return container_of(crypto_request_clone(&req->base, total, gfp),

			    struct acomp_req, base);

}

struct acomp_req *acomp_request_clone(struct acomp_req *req,

				      size_t total, gfp_t gfp);



#endif