diff options
Diffstat (limited to 'common')
-rw-r--r-- | common/env_sf.c | 39 |
1 files changed, 12 insertions, 27 deletions
diff --git a/common/env_sf.c b/common/env_sf.c index 41cc00aeabb..d3b36d01053 100644 --- a/common/env_sf.c +++ b/common/env_sf.c @@ -59,7 +59,6 @@ DECLARE_GLOBAL_DATA_PTR; extern uchar default_environment[]; char * env_name_spec = "SPI Flash"; -env_t *env_ptr; static struct spi_flash *env_flash; @@ -79,7 +78,7 @@ int saveenv(void) char *saved_buffer = NULL; u32 sector = 1; int ret; - char flag = OBSOLETE_FLAG, new_flag = ACTIVE_FLAG; + char flag = OBSOLETE_FLAG; if (!env_flash) { env_flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, @@ -159,7 +158,7 @@ int saveenv(void) gd->env_valid = (gd->env_valid == 2 ? 1 : 2); - printf("Valid environment: %d\n", gd->env_valid); + printf("Valid environment: %d\n", (int)gd->env_valid); done: if (saved_buffer) @@ -174,25 +173,20 @@ void env_relocate_spec(void) env_t *tmp_env1 = NULL; env_t *tmp_env2 = NULL; env_t *ep = NULL; - uchar flag1, flag2; - /* current_env is set only in case both areas are valid! */ - int current_env = 0; tmp_env1 = (env_t *)malloc(CONFIG_ENV_SIZE); tmp_env2 = (env_t *)malloc(CONFIG_ENV_SIZE); if (!tmp_env1 || !tmp_env2) { - free(tmp_env1); - free(tmp_env2); set_default_env("!malloc() failed"); - return; + goto out; } env_flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS, CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE); if (!env_flash) { set_default_env("!spi_flash_probe() failed"); - return; + goto out; } ret = spi_flash_read(env_flash, CONFIG_ENV_OFFSET, @@ -204,33 +198,30 @@ void env_relocate_spec(void) if (crc32(0, tmp_env1->data, ENV_SIZE) == tmp_env1->crc) crc1_ok = 1; - flag1 = tmp_env1->flags; ret = spi_flash_read(env_flash, CONFIG_ENV_OFFSET_REDUND, CONFIG_ENV_SIZE, tmp_env2); if (!ret) { if (crc32(0, tmp_env2->data, ENV_SIZE) == tmp_env2->crc) crc2_ok = 1; - flag2 = tmp_env2->flags; } if (!crc1_ok && !crc2_ok) { - free(tmp_env1); - free(tmp_env2); set_default_env("!bad CRC"); - return; + goto err_read; } else if (crc1_ok && !crc2_ok) { gd->env_valid = 1; - ep = tmp_env1; } else if (!crc1_ok && crc2_ok) { + gd->env_valid = 2; + } else if (tmp_env1->flags == ACTIVE_FLAG && + tmp_env2->flags == OBSOLETE_FLAG) { gd->env_valid = 1; - } else if (flag1 == ACTIVE_FLAG && flag2 == OBSOLETE_FLAG) { - gd->env_valid = 1; - } else if (flag1 == OBSOLETE_FLAG && flag2 == ACTIVE_FLAG) { + } else if (tmp_env1->flags == OBSOLETE_FLAG && + tmp_env2->flags == ACTIVE_FLAG) { gd->env_valid = 2; - } else if (flag1 == flag2) { + } else if (tmp_env1->flags == tmp_env2->flags) { gd->env_valid = 2; - } else if (flag1 == 0xFF) { + } else if (tmp_env1->flags == 0xFF) { gd->env_valid = 2; } else { /* @@ -240,8 +231,6 @@ void env_relocate_spec(void) gd->env_valid = 2; } - free(env_ptr); - if (gd->env_valid == 1) ep = tmp_env1; else @@ -257,10 +246,6 @@ err_read: spi_flash_free(env_flash); env_flash = NULL; out: - if (tmp_env1) - free(tmp_env1); - if (tmp_env2) - free(tmp_env2); free(tmp_env1); free(tmp_env2); |