From ea08eeccae9297f7aabd2ef7f0c2517ac4549acc Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:18:26 +0000
Subject: [PATCH] write in 30M

---
 kernel/drivers/hwtracing/coresight/coresight-tmc-etf.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/drivers/hwtracing/coresight/coresight-tmc-etf.c b/kernel/drivers/hwtracing/coresight/coresight-tmc-etf.c
index cd0fb7b..e9c2b07 100644
--- a/kernel/drivers/hwtracing/coresight/coresight-tmc-etf.c
+++ b/kernel/drivers/hwtracing/coresight/coresight-tmc-etf.c
@@ -428,7 +428,7 @@
 		return -EINVAL;
 
 	/* wrap head around to the amount of space we have */
-	head = handle->head & ((buf->nr_pages << PAGE_SHIFT) - 1);
+	head = handle->head & (((unsigned long)buf->nr_pages << PAGE_SHIFT) - 1);
 
 	/* find the page to write to */
 	buf->cur = head / PAGE_SIZE;

--
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