patch-2.4.23 linux-2.4.23/kernel/sys.c

• Lines: 31
• Date: 2003-11-28 10:26:21.000000000 -0800
• Orig file: linux-2.4.22/kernel/sys.c
• Orig date: 2003-08-25 04:44:44.000000000 -0700

diff -urN linux-2.4.22/kernel/sys.c linux-2.4.23/kernel/sys.c
@@ -511,19 +511,12 @@
 
 static int set_user(uid_t new_ruid, int dumpclear)
 {
-	struct user_struct *new_user, *old_user;
+	struct user_struct *new_user;
 
-	/* What if a process setreuid()'s and this brings the
-	 * new uid over his NPROC rlimit?  We can check this now
-	 * cheaply with the new uid cache, so if it matters
-	 * we should be checking for it.  -DaveM
-	 */
 	new_user = alloc_uid(new_ruid);
 	if (!new_user)
 		return -EAGAIN;
-	old_user = current->user;
-	atomic_dec(&old_user->processes);
-	atomic_inc(&new_user->processes);
+	switch_uid(new_user);
 
 	if(dumpclear)
 	{
@@ -531,8 +524,6 @@
 		wmb();
 	}
 	current->uid = new_ruid;
-	current->user = new_user;
-	free_uid(old_user);
 	return 0;
 }