linux-kernel - [PATCH AUTOSEL 5.16 01/19] remoteproc: coredump: Correct argument 2 type for memcpy

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Message-Id: <20220123001113.2460140-1-sashal@kernel.org>
Date:   Sat, 22 Jan 2022 19:10:54 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Peng Fan <peng.fan@....com>, kernel test robot <lkp@...el.com>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Sasha Levin <sashal@...nel.org>, bjorn.andersson@...aro.org,
        linux-remoteproc@...r.kernel.org
Subject: [PATCH AUTOSEL 5.16 01/19] remoteproc: coredump: Correct argument 2 type for memcpy_fromio

From: Peng Fan <peng.fan@....com>

[ Upstream commit 876e0b26ccd211ca92607d83c87cc1f097784c6d ]

Address the sparse check warning:
>> drivers/remoteproc/remoteproc_coredump.c:169:53:
sparse: warning: incorrect type in argument 2 (different address spaces)
sparse:    expected void const volatile [noderef] __iomem *src
sparse:    got void *[assigned] ptr

Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Peng Fan <peng.fan@....com>
Link: https://lore.kernel.org/r/20211110032101.517487-1-peng.fan@oss.nxp.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/remoteproc/remoteproc_coredump.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/remoteproc/remoteproc_coredump.c b/drivers/remoteproc/remoteproc_coredump.c
index c892f433a323e..4b093420d98aa 100644
--- a/drivers/remoteproc/remoteproc_coredump.c
+++ b/drivers/remoteproc/remoteproc_coredump.c
@@ -166,7 +166,7 @@ static void rproc_copy_segment(struct rproc *rproc, void *dest,
 			memset(dest, 0xff, size);
 		} else {
 			if (is_iomem)
-				memcpy_fromio(dest, ptr, size);
+				memcpy_fromio(dest, (void const __iomem *)ptr, size);
 			else
 				memcpy(dest, ptr, size);
 		}
-- 
2.34.1