As the keyctl_read_key() has been modified to use a temporary kernel
buffer to read out the key data instead of passing in the user-supplied
buffer directly, there is no need to use the __user annotation for
dns_resolver_read().
Signed-off-by: Waiman Long <longman@xxxxxxxxxx>
---
net/dns_resolver/dns_key.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/dns_resolver/dns_key.c b/net/dns_resolver/dns_key.c
index 3e1a90669006..ad53eb31d40f 100644
--- a/net/dns_resolver/dns_key.c
+++ b/net/dns_resolver/dns_key.c
@@ -302,7 +302,7 @@ static void dns_resolver_describe(const struct key *key, struct seq_file *m)
* - the key's semaphore is read-locked
*/
static long dns_resolver_read(const struct key *key,
- char __user *buffer, size_t buflen)
+ char *buffer, size_t buflen)
{
int err = PTR_ERR(key->payload.data[dns_key_error]);
--
2.18.1
