linux-kernel - [PATCH] coresight: fix the wrong type of the trace_id in coresight

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Message-Id: <20250401014210.2576993-1-jie.gan@oss.qualcomm.com>
Date: Tue,  1 Apr 2025 09:42:10 +0800
From: Jie Gan <jie.gan@....qualcomm.com>
To: Suzuki K Poulose <suzuki.poulose@....com>,
        Mike Leach <mike.leach@...aro.org>,
        James Clark <james.clark@...aro.org>,
        Jie Gan <quic_jiegan@...cinc.com>
Cc: Tingwei Zhang <quic_tingweiz@...cinc.com>,
        Jinlong Mao <quic_jinlmao@...cinc.com>, coresight@...ts.linaro.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org,
        Dan Carpenter <dan.carpenter@...aro.org>
Subject: [PATCH] coresight: fix the wrong type of the trace_id in coresight_path

The trace_id in coresight_path may contain an error number which means a
negative integer, but the current type of the trace_id is u8. Change the
type to int to fix it.

Reported-by: Dan Carpenter <dan.carpenter@...aro.org>
Fixes: 3c03c49b2fa5 ("Coresight: Introduce a new struct coresight_path")
Signed-off-by: Jie Gan <jie.gan@....qualcomm.com>
---
 include/linux/coresight.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index d79a242b271d..c2bf10c43e7c 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h
@@ -337,7 +337,7 @@ static struct coresight_dev_list (var) = {				\
  */
 struct coresight_path {
 	struct list_head	path_list;
-	u8			trace_id;
+	int			trace_id;
 };
 
 enum cs_mode {
-- 
2.34.1