diff options
Diffstat (limited to 'include/linux/genhd.h')
| -rw-r--r-- | include/linux/genhd.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 6b859fad6a8a..030ee2f87891 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -266,6 +266,7 @@ extern void add_partition(struct gendisk *, int, sector_t, sector_t); extern void delete_partition(struct gendisk *, int); extern struct gendisk *alloc_disk(int minors); +extern struct gendisk *get_disk(struct gendisk *disk); extern void put_disk(struct gendisk *disk); /* will go away */ @@ -273,9 +274,11 @@ extern void blk_set_probe(int major, struct gendisk *(p)(int)); static inline unsigned int disk_index (kdev_t dev) { - int part; + int part, res; struct gendisk *g = get_gendisk(kdev_t_to_nr(dev), &part); - return g ? (minor(dev) >> g->minor_shift) : 0; + res = g ? (minor(dev) >> g->minor_shift) : 0; + put_disk(g); + return res; } #endif |