Fix possible access to undefined memory region.
Signed-off-by: Igor Mammedov <niallain@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/dns_resolve.c b/fs/cifs/dns_resolve.c
index 939e256..f730ef3 100644
--- a/fs/cifs/dns_resolve.c
+++ b/fs/cifs/dns_resolve.c
@@ -134,10 +134,6 @@
rkey = request_key(&key_type_dns_resolver, name, "");
if (!IS_ERR(rkey)) {
data = rkey->payload.data;
- cFYI(1, ("%s: resolved: %s to %s", __func__,
- rkey->description,
- *ip_addr
- ));
} else {
cERROR(1, ("%s: unable to resolve: %s", __func__, name));
goto out;
@@ -150,6 +146,11 @@
if (*ip_addr) {
memcpy(*ip_addr, data, len);
(*ip_addr)[len] = '\0';
+ if (!IS_ERR(rkey))
+ cFYI(1, ("%s: resolved: %s to %s", __func__,
+ name,
+ *ip_addr
+ ));
rc = 0;
} else {
rc = -ENOMEM;