[U-Boot] [PATCH] env: sf: fix environment in SPI NOR
Heiko Schocher
hs at denx.de
Fri Jan 18 09:45:56 UTC 2019
commit 9a9d66f5eff0 ("env: add spi_flash_read_env function")
breaks Environment functionality, as it reads only
until 2 \0 are found, but fills the buffer with 0x0
instead 0xff which leads in an incorrect crc sum.
Fix: init the read buffer with 0xff instead 0x00
Signed-off-by: Heiko Schocher <hs at denx.de>
---
env/sf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/env/sf.c b/env/sf.c
index b3dec82c35..31dd003575 100644
--- a/env/sf.c
+++ b/env/sf.c
@@ -98,7 +98,7 @@ static int spi_flash_read_env(struct spi_flash *flash, u32 offset, size_t len,
u32 addr = 0;
u32 page_size = flash->page_size;
- memset(buf, 0x0, len);
+ memset(buf, 0xff, len);
for (int i = 0; i < len / page_size; ++i) {
int ret = spi_flash_read(flash, offset, page_size,
&((char *)buf)[addr]);
--
2.17.2
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