52 simple_get_bytes(const void *p, const void *end, void *res, int len)  in simple_get_bytes()  argument
54 	const void *q = (const void *)((const char *)p + len);  in simple_get_bytes()
55 	if (unlikely(q > end || q < p))  in simple_get_bytes()
57 	memcpy(res, p, len);  in simple_get_bytes()
62 simple_get_netobj(const void *p, const void *end, struct xdr_netobj *res)  in simple_get_netobj()  argument
67 	p = simple_get_bytes(p, end, &len, sizeof(len));  in simple_get_netobj()
68 	if (IS_ERR(p))  in simple_get_netobj()
69 		return p;  in simple_get_netobj()
70 	q = (const void *)((const char *)p + len);  in simple_get_netobj()
71 	if (unlikely(q > end || q < p))  in simple_get_netobj()
73 	res->data = kmemdup(p, len, GFP_NOFS);  in simple_get_netobj()
81 get_key(const void *p, const void *end, struct crypto_blkcipher **res)  in get_key()  argument
87 	p = simple_get_bytes(p, end, &alg, sizeof(alg));  in get_key()
88 	if (IS_ERR(p))  in get_key()
90 	p = simple_get_netobj(p, end, &key);  in get_key()
91 	if (IS_ERR(p))  in get_key()
114 	return p;  in get_key()
120 	p = ERR_PTR(-EINVAL);  in get_key()
122 	return p;  in get_key()
126 gss_import_sec_context_kerberos(const void *p,  in gss_import_sec_context_kerberos()  argument
130 	const void *end = (const void *)((const char *)p + len);  in gss_import_sec_context_kerberos()
137 	p = simple_get_bytes(p, end, &ctx->initiate, sizeof(ctx->initiate));  in gss_import_sec_context_kerberos()
138 	if (IS_ERR(p))  in gss_import_sec_context_kerberos()
144 	if (unlikely(p + 20 > end || p + 20 < p))  in gss_import_sec_context_kerberos()
146 	p += 20;  in gss_import_sec_context_kerberos()
147 	p = simple_get_bytes(p, end, &tmp, sizeof(tmp));  in gss_import_sec_context_kerberos()
148 	if (IS_ERR(p))  in gss_import_sec_context_kerberos()
151 		p = ERR_PTR(-ENOSYS);  in gss_import_sec_context_kerberos()
154 	p = simple_get_bytes(p, end, &tmp, sizeof(tmp));  in gss_import_sec_context_kerberos()
155 	if (IS_ERR(p))  in gss_import_sec_context_kerberos()
158 		p = ERR_PTR(-ENOSYS);  in gss_import_sec_context_kerberos()
161 	p = simple_get_bytes(p, end, &ctx->endtime, sizeof(ctx->endtime));  in gss_import_sec_context_kerberos()
162 	if (IS_ERR(p))  in gss_import_sec_context_kerberos()
164 	p = simple_get_bytes(p, end, &ctx->seq_send, sizeof(ctx->seq_send));  in gss_import_sec_context_kerberos()
165 	if (IS_ERR(p))  in gss_import_sec_context_kerberos()
167 	p = simple_get_netobj(p, end, &ctx->mech_used);  in gss_import_sec_context_kerberos()
168 	if (IS_ERR(p))  in gss_import_sec_context_kerberos()
170 	p = get_key(p, end, &ctx->enc);  in gss_import_sec_context_kerberos()
171 	if (IS_ERR(p))  in gss_import_sec_context_kerberos()
173 	p = get_key(p, end, &ctx->seq);  in gss_import_sec_context_kerberos()
174 	if (IS_ERR(p))  in gss_import_sec_context_kerberos()
176 	if (p != end) {  in gss_import_sec_context_kerberos()
177 		p = ERR_PTR(-EFAULT);  in gss_import_sec_context_kerberos()
195 	return PTR_ERR(p);  in gss_import_sec_context_kerberos()