diff options
| author | Stefan Agner <stefan.agner@toradex.com> | 2018-08-06 09:19:18 +0200 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2018-09-04 08:47:23 +0200 |
| commit | bc53fb19fef1afbd7b328ea72de5be313016f585 (patch) | |
| tree | c89fddc0ba5fba517e12f7b056c77df06701baef /board/toradex/common/tdx-cfg-block.c | |
| parent | 57b620255e726fae38e5e2ac5c7dec4b9011ffca (diff) | |
board: toradex: common: fail gracefully on missing NAND chip
If the NAND chip is missing get_nand_dev_by_index() returns NULL. Fail
gracefully in this case.
Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
Diffstat (limited to 'board/toradex/common/tdx-cfg-block.c')
| -rw-r--r-- | board/toradex/common/tdx-cfg-block.c | 7 |
1 files 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); } |