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authorHerbert Xu <herbert@gondor.apana.org.au>2016-01-24 21:20:02 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2016-01-27 20:36:13 +0800
commit1edb82d2021c7bae96509c03c4c5ef789f1e09a3 (patch)
treef384a6747d7a68902b8691f530dff0c676b5dcd0 /fs/nfsd/nfs4recover.c
parent69110e3cedbb8aad1c70d91ed58a9f4f0ed9eec6 (diff)
nfsd: Use shash
This patch replaces uses of the long obsolete hash interface with shash. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'fs/nfsd/nfs4recover.c')
-rw-r--r--fs/nfsd/nfs4recover.c28
1 files changed, 17 insertions, 11 deletions
diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c
index dc8ebecf5618..195fe2668207 100644
--- a/fs/nfsd/nfs4recover.c
+++ b/fs/nfsd/nfs4recover.c
@@ -32,10 +32,10 @@
*
*/
+#include <crypto/hash.h>
#include <linux/file.h>
#include <linux/slab.h>
#include <linux/namei.h>
-#include <linux/crypto.h>
#include <linux/sched.h>
#include <linux/fs.h>
#include <linux/module.h>
@@ -104,29 +104,35 @@ static int
nfs4_make_rec_clidname(char *dname, const struct xdr_netobj *clname)
{
struct xdr_netobj cksum;
- struct hash_desc desc;
- struct scatterlist sg;
+ struct crypto_shash *tfm;
int status;
dprintk("NFSD: nfs4_make_rec_clidname for %.*s\n",
clname->len, clname->data);
- desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
- desc.tfm = crypto_alloc_hash("md5", 0, CRYPTO_ALG_ASYNC);
- if (IS_ERR(desc.tfm)) {
- status = PTR_ERR(desc.tfm);
+ tfm = crypto_alloc_shash("md5", 0, 0);
+ if (IS_ERR(tfm)) {
+ status = PTR_ERR(tfm);
goto out_no_tfm;
}
- cksum.len = crypto_hash_digestsize(desc.tfm);
+ cksum.len = crypto_shash_digestsize(tfm);
cksum.data = kmalloc(cksum.len, GFP_KERNEL);
if (cksum.data == NULL) {
status = -ENOMEM;
goto out;
}
- sg_init_one(&sg, clname->data, clname->len);
+ {
+ SHASH_DESC_ON_STACK(desc, tfm);
+
+ desc->tfm = tfm;
+ desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP;
+
+ status = crypto_shash_digest(desc, clname->data, clname->len,
+ cksum.data);
+ shash_desc_zero(desc);
+ }
- status = crypto_hash_digest(&desc, &sg, sg.length, cksum.data);
if (status)
goto out;
@@ -135,7 +141,7 @@ nfs4_make_rec_clidname(char *dname, const struct xdr_netobj *clname)
status = 0;
out:
kfree(cksum.data);
- crypto_free_hash(desc.tfm);
+ crypto_free_shash(tfm);
out_no_tfm:
return status;
}