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-rw-r--r--fs/partitions/check.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/partitions/check.h b/fs/partitions/check.h
index 98dbe1a8452..52f8bd39939 100644
--- a/fs/partitions/check.h
+++ b/fs/partitions/check.h
@@ -6,6 +6,7 @@
* description.
*/
struct parsed_partitions {
+ struct block_device *bdev;
char name[BDEVNAME_SIZE];
struct {
sector_t from;
@@ -14,8 +15,19 @@ struct parsed_partitions {
} parts[DISK_MAX_PARTS];
int next;
int limit;
+ bool access_beyond_eod;
};
+static inline void *read_part_sector(struct parsed_partitions *state,
+ sector_t n, Sector *p)
+{
+ if (n >= get_capacity(state->bdev->bd_disk)) {
+ state->access_beyond_eod = true;
+ return NULL;
+ }
+ return read_dev_sector(state->bdev, n, p);
+}
+
static inline void
put_partition(struct parsed_partitions *p, int n, sector_t from, sector_t size)
{