linux-kernel - [PATCH V4 2/6] remoteproc: fix the wrong default value of is

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Date:   Fri, 10 Sep 2021 17:06:17 +0800
From:   "Peng Fan (OSS)" <peng.fan@....nxp.com>
To:     ohad@...ery.com, bjorn.andersson@...aro.org,
        mathieu.poirier@...aro.org, o.rempel@...gutronix.de
Cc:     shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, linux-imx@....com,
        linux-remoteproc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        aisheng.dong@....com, Peng Fan <peng.fan@....com>
Subject: [PATCH V4 2/6] remoteproc: fix the wrong default value of is_iomem

From: Dong Aisheng <aisheng.dong@....com>

Currently the is_iomem is a random value in the stack which may
be default to true even on those platforms that not use iomem to
store firmware.

Cc: Bjorn Andersson <bjorn.andersson@...aro.org>
Cc: Mathieu Poirier <mathieu.poirier@...aro.org>
Fixes: 40df0a91b2a5 ("remoteproc: add is_iomem to da_to_va")
Reviewed-and-tested-by: Peng Fan <peng.fan@....com>
Signed-off-by: Dong Aisheng <aisheng.dong@....com>
Signed-off-by: Peng Fan <peng.fan@....com>
---
 drivers/remoteproc/remoteproc_coredump.c   | 2 +-
 drivers/remoteproc/remoteproc_elf_loader.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/remoteproc/remoteproc_coredump.c b/drivers/remoteproc/remoteproc_coredump.c
index aee657cc08c6a..c892f433a323e 100644
--- a/drivers/remoteproc/remoteproc_coredump.c
+++ b/drivers/remoteproc/remoteproc_coredump.c
@@ -152,8 +152,8 @@ static void rproc_copy_segment(struct rproc *rproc, void *dest,
 			       struct rproc_dump_segment *segment,
 			       size_t offset, size_t size)
 {
+	bool is_iomem = false;
 	void *ptr;
-	bool is_iomem;
 
 	if (segment->dump) {
 		segment->dump(rproc, segment, dest, offset, size);
diff --git a/drivers/remoteproc/remoteproc_elf_loader.c b/drivers/remoteproc/remoteproc_elf_loader.c
index 44e7f9308f4bc..d635d19a5aa8a 100644
--- a/drivers/remoteproc/remoteproc_elf_loader.c
+++ b/drivers/remoteproc/remoteproc_elf_loader.c
@@ -178,8 +178,8 @@ int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw)
 		u64 filesz = elf_phdr_get_p_filesz(class, phdr);
 		u64 offset = elf_phdr_get_p_offset(class, phdr);
 		u32 type = elf_phdr_get_p_type(class, phdr);
+		bool is_iomem = false;
 		void *ptr;
-		bool is_iomem;
 
 		if (type != PT_LOAD)
 			continue;
-- 
2.25.1