Commit 5651ced3 authored by Igor Mammedov's avatar Igor Mammedov Committed by Steve French

Fix possible access to undefined memory region.

Signed-off-by: default avatarIgor Mammedov <niallain@gmail.com>
Signed-off-by: default avatarSteve French <sfrench@us.ibm.com>
parent b9a3260f
...@@ -134,10 +134,6 @@ dns_resolve_server_name_to_ip(const char *unc, char **ip_addr) ...@@ -134,10 +134,6 @@ dns_resolve_server_name_to_ip(const char *unc, char **ip_addr)
rkey = request_key(&key_type_dns_resolver, name, ""); rkey = request_key(&key_type_dns_resolver, name, "");
if (!IS_ERR(rkey)) { if (!IS_ERR(rkey)) {
data = rkey->payload.data; data = rkey->payload.data;
cFYI(1, ("%s: resolved: %s to %s", __func__,
rkey->description,
*ip_addr
));
} else { } else {
cERROR(1, ("%s: unable to resolve: %s", __func__, name)); cERROR(1, ("%s: unable to resolve: %s", __func__, name));
goto out; goto out;
...@@ -150,6 +146,11 @@ dns_resolve_server_name_to_ip(const char *unc, char **ip_addr) ...@@ -150,6 +146,11 @@ dns_resolve_server_name_to_ip(const char *unc, char **ip_addr)
if (*ip_addr) { if (*ip_addr) {
memcpy(*ip_addr, data, len); memcpy(*ip_addr, data, len);
(*ip_addr)[len] = '\0'; (*ip_addr)[len] = '\0';
if (!IS_ERR(rkey))
cFYI(1, ("%s: resolved: %s to %s", __func__,
name,
*ip_addr
));
rc = 0; rc = 0;
} else { } else {
rc = -ENOMEM; rc = -ENOMEM;
......
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