block: Fix NULL pointer dereference in sd_revalidate_disk

[mirror_ubuntu-zesty-kernel.git] / include / linux / genhd.h

diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index fe23ee768589c7d7771bd40c9d4ac30ef01ab026..e61d3192448e90f2942a32a048ddd10d812d855e 100644 (file)
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -596,6 +596,7 @@ extern char *disk_name (struct gendisk *hd, int partno, char *buf);
 
 extern int disk_expand_part_tbl(struct gendisk *disk, int target);
 extern int rescan_partitions(struct gendisk *disk, struct block_device *bdev);
+extern int invalidate_partitions(struct gendisk *disk, struct block_device *bdev);
 extern struct hd_struct * __must_check add_partition(struct gendisk *disk,
                                                     int partno, sector_t start,
                                                     sector_t len, int flags,