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-rw-r--r--fs/udf/lowlevel.c7
-rw-r--r--fs/udf/super.c4
-rw-r--r--fs/udf/udfdecl.h2
3 files changed, 8 insertions, 5 deletions
diff --git a/fs/udf/lowlevel.c b/fs/udf/lowlevel.c
index 46d697172197..c87ed942d076 100644
--- a/fs/udf/lowlevel.c
+++ b/fs/udf/lowlevel.c
@@ -45,7 +45,7 @@ unsigned int udf_get_last_session(struct super_block *sb)
return 0;
}
-unsigned long udf_get_last_block(struct super_block *sb)
+udf_pblk_t udf_get_last_block(struct super_block *sb)
{
struct cdrom_device_info *cdi = disk_to_cdi(sb->s_bdev->bd_disk);
unsigned long lblock = 0;
@@ -54,8 +54,11 @@ unsigned long udf_get_last_block(struct super_block *sb)
* The cdrom layer call failed or returned obviously bogus value?
* Try using the device size...
*/
- if (!cdi || cdrom_get_last_written(cdi, &lblock) || lblock == 0)
+ if (!cdi || cdrom_get_last_written(cdi, &lblock) || lblock == 0) {
+ if (sb_bdev_nr_blocks(sb) > ~(udf_pblk_t)0)
+ return 0;
lblock = sb_bdev_nr_blocks(sb);
+ }
if (lblock)
return lblock - 1;
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 241b40e886b3..c756d903a862 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -1861,10 +1861,10 @@ static int udf_check_anchor_block(struct super_block *sb, sector_t block,
* Returns < 0 on error, 0 on success. -EAGAIN is special - try next set
* of anchors.
*/
-static int udf_scan_anchors(struct super_block *sb, sector_t *lastblock,
+static int udf_scan_anchors(struct super_block *sb, udf_pblk_t *lastblock,
struct kernel_lb_addr *fileset)
{
- sector_t last[6];
+ udf_pblk_t last[6];
int i;
struct udf_sb_info *sbi = UDF_SB(sb);
int last_count = 0;
diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
index d35aa42bb577..eaf9e6fd201e 100644
--- a/fs/udf/udfdecl.h
+++ b/fs/udf/udfdecl.h
@@ -196,7 +196,7 @@ extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int);
/* lowlevel.c */
extern unsigned int udf_get_last_session(struct super_block *);
-extern unsigned long udf_get_last_block(struct super_block *);
+udf_pblk_t udf_get_last_block(struct super_block *);
/* partition.c */
extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t,