[PATCH OLK-6.6] sched: programmable: Allow set tag for pid 1.

9 May 2024

hulk inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I9NQM5
CVE: NA

--------------------------------

Signed-off-by: Hui Tang <tanghui20@huawei.com>
---
 fs/proc/base.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 78f41a207767..d6d3b9f55f46 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -3773,11 +3773,6 @@ static ssize_t pid_tag_write(struct file *file, const char __user *buf,
 	if (!tsk)
 		return -ESRCH;
 
-	if (unlikely(tsk->pid == 1)) {
-		err = -EPERM;
-		goto out;
-	}
-
 	err = kstrtol_from_user(buf, count, 0, &tag);
 	if (err)
 		goto out;
-- 
2.34.1

    