CRED: Use creds in file structs

Attach creds to file structs and discard f_uid/f_gid.

file_operations::open() methods (such as hppfs_open()) should use file->f_cred
rather than current_cred().  At the moment file->f_cred will be current_cred()
at this point.

Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: James Morris <jmorris@namei.org>
Signed-off-by: James Morris <jmorris@namei.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c
index 0ebaff637e31..0ef4e3065bcd 100644
--- a/net/sched/cls_flow.c
+++ b/net/sched/cls_flow.c
@@ -260,14 +260,14 @@ static u32 flow_get_rtclassid(const struct sk_buff *skb)
 static u32 flow_get_skuid(const struct sk_buff *skb)
 {
         if (skb->sk && skb->sk->sk_socket && skb->sk->sk_socket->file)
-                return skb->sk->sk_socket->file->f_uid;
+                return skb->sk->sk_socket->file->f_cred->fsuid;
         return 0;
 }
 
 static u32 flow_get_skgid(const struct sk_buff *skb)
 {
         if (skb->sk && skb->sk->sk_socket && skb->sk->sk_socket->file)
-                return skb->sk->sk_socket->file->f_gid;
+                return skb->sk->sk_socket->file->f_cred->fsgid;
         return 0;
 }