commit 3f2bc4d6eb5a4fada842462ba22bb6bbb41d00c7
author Bryan Huntsman <bryanh@codeaurora.org> Tue Aug 16 17:27:22 2011 -0700
committer Bryan Huntsman <bryanh@codeaurora.org> Mon Oct 03 09:57:10 2011 -0700
tree 088e0646c8abcbde263d13ee865ba69032ac86dd
parent f06154cc47399dfdb3950d3e6b71d67ee186f69d

Initial Contribution

msm-2.6.38: tag AU_LINUX_ANDROID_GINGERBREAD.02.03.04.00.142

Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>

kernel/cgroup_freezer.c

diff --git a/kernel/cgroup_freezer.c b/kernel/cgroup_freezer.c
index e691818..6ebda1d 100644
--- a/kernel/cgroup_freezer.c
+++ b/kernel/cgroup_freezer.c
@@ -164,6 +164,14 @@
 {
 	struct freezer *freezer;
 
+	if ((current != task) && (!capable(CAP_SYS_ADMIN))) {
+		const struct cred *cred = current_cred(), *tcred;
+
+		tcred = __task_cred(task);
+		if (cred->euid != tcred->uid && cred->euid != tcred->suid)
+			return -EPERM;
+	}
+
 	/*
 	 * Anything frozen can't move or be moved to/from.
 	 */