From 3a5f3cae8ab349eb00bcfad4bef6a1a6fb59b408 Mon Sep 17 00:00:00 2001
From: atndko <z1281552865@gmail.com>
Date: Sun, 16 Jul 2023 15:27:36 +0000
Subject: [PATCH] printk: Silence useless system log spam

When charging, healthd and dashd will spam every several secs, it's sooooo noisy and useless.

If you launch a userspace app, there will give a logd message, silence it.

Signed-off-by: Wahid Khan <wahidzk0091@gmail.com>
Signed-off-by: atndko <z1281552865@gmail.com>
Signed-off-by: Vaisakh Murali <mvaisakh@statixos.com>
Signed-off-by: Cyber Knight <cyberknight755@gmail.com>
---
 kernel/printk/printk.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 0a14037a8..b1af51a0e 100755
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -820,6 +820,12 @@ static ssize_t devkmsg_write(struct kiocb *iocb, struct iov_iter *from)
 		}
 	}
 
+	if ((strstr(line, "healthd")) || (strstr(line, "logd")) ||
+		 strstr(line, "dashd")) {
+		kfree(buf);
+		return len;
+	}
+
 	devkmsg_emit(facility, level, "%s", line);
 	kfree(buf);
 	return ret;