Staging: rt2870: disable root hack for reading files

We are now using credentials, so just blindly setting the fsuid and
fsguid isn't acceptable.  All this means is that the config file needs
to be readable by the driver thread, not a big deal.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/rt2870/rt_profile.c

@@ -925,9 +925,11 @@ NDIS_STATUS	RTMPReadParametersHook(
 
 	// Save uid and gid used for filesystem access.
 	// Set user and group to 0 (root)
-	orgfsuid = current->fsuid;
-	orgfsgid = current->fsgid;
-	current->fsuid=current->fsgid = 0;
+	orgfsuid = current_fsuid();
+	orgfsgid = current_fsgid();
+	/* Hm, can't really do this nicely anymore, so rely on these files
+	 * being set to the proper permission to read them... */
+	/* current->cred->fsuid = current->cred->fsgid = 0; */
     orgfs = get_fs();
     set_fs(KERNEL_DS);
 
@@ -1590,8 +1592,10 @@ NDIS_STATUS	RTMPReadParametersHook(
 	}
 
 	set_fs(orgfs);
+#if 0
 	current->fsuid = orgfsuid;
 	current->fsgid = orgfsgid;
+#endif
 
 	kfree(buffer);
 	kfree(tmpbuf);