From: Stefan Agner <stefan.ag...@toradex.com>
If the NAND chip is missing get_nand_dev_by_index() returns NULL. Fail
gracefully in this case.
Signed-off-by: Stefan Agner <stefan.ag...@toradex.com>
---
board/toradex/common/tdx-cfg-block.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/board/toradex/common/tdx-cfg-block.c
b/board/toradex/common/tdx-cfg-block.c
index 57edb6c5c9..d4f5b1803a 100644
--- a/board/toradex/common/tdx-cfg-block.c
+++ b/board/toradex/common/tdx-cfg-block.c
@@ -156,10 +156,13 @@ out:
static int read_tdx_cfg_block_from_nand(unsigned char *config_block)
{
size_t size = TDX_CFG_BLOCK_MAX_SIZE;
+ struct mtd_info *mtd = get_nand_dev_by_index(0);
+
+ if (!mtd)
+ return -ENODEV;
/* Read production parameter config block from NAND page */
- return nand_read_skip_bad(get_nand_dev_by_index(0),
- CONFIG_TDX_CFG_BLOCK_OFFSET,
+ return nand_read_skip_bad(mtd, CONFIG_TDX_CFG_BLOCK_OFFSET,
&size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
config_block);
}
--
2.18.0
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