X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=net%2Fsunrpc%2Fauth_gss%2Fgss_krb5_crypto.c;fp=net%2Fsunrpc%2Fauth_gss%2Fgss_krb5_crypto.c;h=97c981fa6b8ee4a48118cf46801e1fef60388b23;hb=64ba3f394c830ec48a1c31b53dcae312c56f1604;hp=76b969e6904fdca3607845a050c331376845b180;hpb=be1e6109ac94a859551f8e1774eb9a8469fe055c;p=linux-2.6.git

diff --git a/net/sunrpc/auth_gss/gss_krb5_crypto.c b/net/sunrpc/auth_gss/gss_krb5_crypto.c
index 76b969e69..97c981fa6 100644
--- a/net/sunrpc/auth_gss/gss_krb5_crypto.c
+++ b/net/sunrpc/auth_gss/gss_krb5_crypto.c
@@ -212,6 +212,7 @@ make_checksum(s32 cksumtype, char *header, int hdrlen, struct xdr_buf *body,
 	char                            *cksumname;
 	struct crypto_tfm               *tfm = NULL; /* XXX add to ctx? */
 	struct scatterlist              sg[1];
+	u32                             code = GSS_S_FAILURE;
 
 	switch (cksumtype) {
 		case CKSUMTYPE_RSA_MD5:
@@ -220,11 +221,13 @@ make_checksum(s32 cksumtype, char *header, int hdrlen, struct xdr_buf *body,
 		default:
 			dprintk("RPC:      krb5_make_checksum:"
 				" unsupported checksum %d", cksumtype);
-			return GSS_S_FAILURE;
+			goto out;
 	}
 	if (!(tfm = crypto_alloc_tfm(cksumname, CRYPTO_TFM_REQ_MAY_SLEEP)))
-		return GSS_S_FAILURE;
+		goto out;
 	cksum->len = crypto_tfm_alg_digestsize(tfm);
+	if ((cksum->data = kmalloc(cksum->len, GFP_KERNEL)) == NULL)
+		goto out;
 
 	crypto_digest_init(tfm);
 	sg_set_buf(sg, header, hdrlen);
@@ -232,8 +235,10 @@ make_checksum(s32 cksumtype, char *header, int hdrlen, struct xdr_buf *body,
 	process_xdr_buf(body, body_offset, body->len - body_offset,
 			checksummer, tfm);
 	crypto_digest_final(tfm, cksum->data);
+	code = 0;
+out:
 	crypto_free_tfm(tfm);
-	return 0;
+	return code;
 }
 
 EXPORT_SYMBOL(make_checksum);