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Code Issues Releases Activity

fatfs: utilize fatfs buffers for parsing gpt

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CTCaer 2021-03-17 09:23:51 +02:00
parent 46038032a4
commit 4958bd6a52
1 changed files with 6 additions and 4 deletions
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10
bdk/libs/fatfs/ff.c
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@ -3323,11 +3323,13 @@ static FRESULT find_volume ( /* FR_OK(0): successful, !=0: an error occurred */
#if FF_SIMPLE_GPT
if (fmt >= 2) {
/* If GPT Check the first partition */
gpt_t gpt;
if (disk_read(fs->pdrv, (BYTE *)&gpt, 1, sizeof(gpt_t) / SS(fs))) return FR_DISK_ERR;
if (!mem_cmp(&gpt.header.signature, "EFI PART", 8)) {
gpt_header_t *gpt_header = (gpt_header_t *)fs->win;
if (move_window(fs, 1) != FR_OK) return FR_DISK_ERR;
if (!mem_cmp(&gpt_header->signature, "EFI PART", 8)) {
if (move_window(fs, gpt_header->part_ent_lba) != FR_OK) return FR_DISK_ERR;
gpt_entry_t *gpt_entry = (gpt_entry_t *)fs->win;
fs->part_type = 1;
bsect = gpt.entries[0].lba_start;
bsect = gpt_entry->lba_start;
fmt = bsect ? check_fs(fs, bsect) : 3; /* Check the partition */
}
}