From 55a202f64b1537f1cdbd0486cde10a5b6d4eef3c Mon Sep 17 00:00:00 2001 From: Oleh Kravchenko Date: Wed, 19 May 2021 13:31:31 +0300 Subject: [PATCH] Fix flashing of eMMC user area with Fastboot 'gpt' and 'mmc0' fastboot partitions have been treated as the same device, but it is wrong. Fill disk_partition structure with eMMC user partition info to properly flash data. Signed-off-by: Oleh Kravchenko Cc: Pantelis Antoniou Cc: Marek Vasut Cc: Sean Anderson Cc: Tom Rini Reviewed-by: Sean Anderson --- drivers/fastboot/fb_mmc.c | 22 +++++++++++++++------- 1 file changed, 15 insertions(+), 7 deletions(-) diff --git a/drivers/fastboot/fb_mmc.c b/drivers/fastboot/fb_mmc.c index 2326067882..cbb3f7b1de 100644 --- a/drivers/fastboot/fb_mmc.c +++ b/drivers/fastboot/fb_mmc.c @@ -512,7 +512,7 @@ void fastboot_mmc_flash_write(const char *cmd, void *download_buffer, u32 download_bytes, char *response) { struct blk_desc *dev_desc; - struct disk_partition info; + struct disk_partition info = {0}; #ifdef CONFIG_FASTBOOT_MMC_BOOT_SUPPORT if (strcmp(cmd, CONFIG_FASTBOOT_MMC_BOOT1_NAME) == 0) { @@ -532,12 +532,7 @@ void fastboot_mmc_flash_write(const char *cmd, void *download_buffer, #endif #if CONFIG_IS_ENABLED(EFI_PARTITION) -#ifndef CONFIG_FASTBOOT_MMC_USER_SUPPORT if (strcmp(cmd, CONFIG_FASTBOOT_GPT_NAME) == 0) { -#else - if (strcmp(cmd, CONFIG_FASTBOOT_GPT_NAME) == 0 || - strcmp(cmd, CONFIG_FASTBOOT_MMC_USER_NAME) == 0) { -#endif dev_desc = fastboot_mmc_get_dev(response); if (!dev_desc) return; @@ -599,7 +594,20 @@ void fastboot_mmc_flash_write(const char *cmd, void *download_buffer, } #endif - if (fastboot_mmc_get_part_info(cmd, &dev_desc, &info, response) < 0) +#if CONFIG_IS_ENABLED(FASTBOOT_MMC_USER_SUPPORT) + if (strcmp(cmd, CONFIG_FASTBOOT_MMC_USER_NAME) == 0) { + dev_desc = fastboot_mmc_get_dev(response); + if (!dev_desc) + return; + + strlcpy((char *)&info.name, cmd, sizeof(info.name)); + info.size = dev_desc->lba; + info.blksz = dev_desc->blksz; + } +#endif + + if (!info.name[0] && + fastboot_mmc_get_part_info(cmd, &dev_desc, &info, response) < 0) return; if (is_sparse_image(download_buffer)) { -- 2.39.5