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, 4 insertions, 2 deletions

diff --git a/drivers/isdn/hysdn/hysdn_procconf.c b/drivers/isdn/hysdn/hysdn_procconf.c
index 484299b031f8..8f9f4912de32 100644
--- a/drivers/isdn/hysdn/hysdn_procconf.c
+++ b/drivers/isdn/hysdn/hysdn_procconf.c
@@ -246,7 +246,8 @@ hysdn_conf_open(struct inode *ino, struct file *filep)
         }
         if (card->debug_flags & (LOG_PROC_OPEN | LOG_PROC_ALL))
                 hysdn_addlog(card, "config open for uid=%d gid=%d mode=0x%x",
-                             filep->f_uid, filep->f_gid, filep->f_mode);
+                             filep->f_cred->fsuid, filep->f_cred->fsgid,
+                             filep->f_mode);
 
         if ((filep->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_WRITE) {
                 /* write only access -> write boot file or conf line */
@@ -331,7 +332,8 @@ hysdn_conf_close(struct inode *ino, struct file *filep)
         }
         if (card->debug_flags & (LOG_PROC_OPEN | LOG_PROC_ALL))
                 hysdn_addlog(card, "config close for uid=%d gid=%d mode=0x%x",
-                             filep->f_uid, filep->f_gid, filep->f_mode);
+                             filep->f_cred->fsuid, filep->f_cred->fsgid,
+                             filep->f_mode);
 
         if ((filep->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_WRITE) {
                 /* write only access -> write boot file or conf line */