struct bbu_data::image is const, so do not modify the image, but create
a copy instead.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
arch/arm/mach-imx/imx-bbu-external-nand.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-imx/imx-bbu-external-nand.c b/arch/arm/mach-imx/imx-bbu-external-nand.c
index 8aa4f152a1..0f7cc51caf 100644
--- a/arch/arm/mach-imx/imx-bbu-external-nand.c
+++ b/arch/arm/mach-imx/imx-bbu-external-nand.c
@@ -39,7 +39,7 @@ static int imx_bbu_external_nand_update(struct bbu_handler *handler, struct bbu_
uint32_t num_bb = 0, bbt = 0;
loff_t offset = 0;
int block = 0, len, now, blocksize;
- void *image = data->image;
+ void *image = NULL;
ret = stat(data->devicefile, &s);
if (ret)
@@ -55,6 +55,12 @@ static int imx_bbu_external_nand_update(struct bbu_handler *handler, struct bbu_
if (ret)
goto out;
+ image = memdup(data->image, data->len);
+ if (!image) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
blocksize = meminfo.erasesize;
size_need = data->len;
@@ -172,6 +178,7 @@ static int imx_bbu_external_nand_update(struct bbu_handler *handler, struct bbu_
out:
close(fd);
+ free(image);
return ret;
}
--
2.29.2
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