Просмотр исходного кода

env: sf: fix environment in SPI NOR

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@denx.de>
Heiko Schocher 5 лет назад
Родитель
Сommit
3d5931e598
1 измененных файлов с 1 добавлено и 1 удалено
  1. 1 1
      env/sf.c

+ 1 - 1
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]);