X-Git-Url: https://git.sven.stormbind.net/?p=sven%2Fexfatprogs.git;a=blobdiff_plain;f=mkfs%2Fmkfs.c;fp=mkfs%2Fmkfs.c;h=8c812213dda3728a2e597cba3c94667f9ab4801f;hp=18376692791b60acd584f05f0f84ad428cf7451e;hb=20b882b37d525f27c85037871c4f35f7ad2c55ba;hpb=37cbd64649f64ddb88b4ab3d8a494ddf96890cf8

diff --git a/mkfs/mkfs.c b/mkfs/mkfs.c
index 1837669..8c81221 100644
--- a/mkfs/mkfs.c
+++ b/mkfs/mkfs.c
@@ -72,6 +72,7 @@ static void exfat_setup_boot_sector(struct pbr *ppbr,
 	/* fs_version[0] : minor and fs_version[1] : major */
 	pbsx->fs_version[0] = 0;
 	pbsx->fs_version[1] = 1;
+	pbsx->phy_drv_no = 0x80;
 	memset(pbsx->reserved2, 0, 7);
 
 	memset(ppbr->boot_code, 0, 390);
@@ -109,12 +110,12 @@ static int exfat_write_boot_sector(struct exfat_blk_dev *bd,
 	if (is_backup)
 		sec_idx += BACKUP_BOOT_SEC_IDX;
 
-	ppbr = malloc(sizeof(struct pbr));
+	ppbr = malloc(bd->sector_size);
 	if (!ppbr) {
 		exfat_err("Cannot allocate pbr: out of memory\n");
 		return -1;
 	}
-	memset(ppbr, 0, sizeof(struct pbr));
+	memset(ppbr, 0, bd->sector_size);
 
 	exfat_setup_boot_sector(ppbr, bd, ui);
 
@@ -126,7 +127,7 @@ static int exfat_write_boot_sector(struct exfat_blk_dev *bd,
 		goto free_ppbr;
 	}
 
-	boot_calc_checksum((unsigned char *)ppbr, sizeof(struct pbr),
+	boot_calc_checksum((unsigned char *)ppbr, bd->sector_size,
 		true, checksum);
 
 free_ppbr:
@@ -137,26 +138,36 @@ free_ppbr:
 static int exfat_write_extended_boot_sectors(struct exfat_blk_dev *bd,
 		unsigned int *checksum, bool is_backup)
 {
-	struct exbs eb;
+	char *peb;
+	__le16 *peb_signature;
+	int ret = 0;
 	int i;
 	unsigned int sec_idx = EXBOOT_SEC_IDX;
 
+	peb = malloc(bd->sector_size);
+	if (!peb)
+		return -1;
+
 	if (is_backup)
 		sec_idx += BACKUP_BOOT_SEC_IDX;
 
-	memset(&eb, 0, sizeof(struct exbs));
-	eb.signature = cpu_to_le16(PBR_SIGNATURE);
+	memset(peb, 0, bd->sector_size);
+	peb_signature = (__le16*) (peb + bd->sector_size - 2);
+	*peb_signature = cpu_to_le16(PBR_SIGNATURE);
 	for (i = 0; i < EXBOOT_SEC_NUM; i++) {
-		if (exfat_write_sector(bd, &eb, sec_idx++)) {
+		if (exfat_write_sector(bd, peb, sec_idx++)) {
 			exfat_err("extended boot sector write failed\n");
-			return -1;
+			ret = -1;
+			goto free_peb;
 		}
 
-		boot_calc_checksum((unsigned char *) &eb, sizeof(struct exbs),
+		boot_calc_checksum((unsigned char *) peb, bd->sector_size,
 			false, checksum);
 	}
 
-	return 0;
+free_peb:
+	free(peb);
+	return ret;
 }
 
 static int exfat_write_oem_sector(struct exfat_blk_dev *bd,