[PATCH V4 2/6] remoteproc: fix the wrong default value of is_iomem

From: Peng Fan (OSS)
Date: Fri Sep 10 2021 - 05:07:35 EST


From: Dong Aisheng <aisheng.dong@xxxxxxx>

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@xxxxxxxxxx>
Cc: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
Fixes: 40df0a91b2a5 ("remoteproc: add is_iomem to da_to_va")
Reviewed-and-tested-by: Peng Fan <peng.fan@xxxxxxx>
Signed-off-by: Dong Aisheng <aisheng.dong@xxxxxxx>
Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
---
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