This patch replaces uses of the long obsolete hash interface with
shash.
Signed-off-by: Herbert Xu <[email protected]>
---
fs/nfsd/nfs4recover.c | 28 +++++++++++++++++-----------
1 file changed, 17 insertions(+), 11 deletions(-)
diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c
index 79f0307..a79c150 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;
}
Hi Herbert,
[auto build test ERROR on net/master]
[also build test ERROR on v4.4 next-20160122]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
url: https://github.com/0day-ci/linux/commits/Herbert-Xu/crypto-Use-skcipher-and-ahash-shash-where-possible/20160124-212323
config: x86_64-randconfig-x009-201604 (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All errors (new ones prefixed by >>):
fs/nfsd/nfs4recover.c: In function 'nfs4_make_rec_clidname':
>> fs/nfsd/nfs4recover.c:133:3: error: implicit declaration of function 'shash_desc_zero' [-Werror=implicit-function-declaration]
shash_desc_zero(desc);
^
cc1: some warnings being treated as errors
vim +/shash_desc_zero +133 fs/nfsd/nfs4recover.c
127
128 desc->tfm = tfm;
129 desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP;
130
131 status = crypto_shash_digest(desc, clname->data, clname->len,
132 cksum.data);
> 133 shash_desc_zero(desc);
134 }
135
136 if (status)
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation