diff options
| -rw-r--r-- | block/genhd.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/block/genhd.c b/block/genhd.c index f34befc54847..656c2c7abf99 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -313,8 +313,10 @@ static void *part_start(struct seq_file *part, loff_t *pos) mutex_lock(&block_class_lock); dev = class_find_device(&block_class, NULL, &k, find_start); - if (dev) + if (dev) { + put_device(dev); return dev_to_disk(dev); + } return NULL; } @@ -331,8 +333,10 @@ static void *part_next(struct seq_file *part, void *v, loff_t *pos) struct device *dev; ++*pos; dev = class_find_device(&block_class, &gp->dev, NULL, find_next); - if (dev) + if (dev) { + put_device(dev); return dev_to_disk(dev); + } return NULL; } @@ -573,8 +577,10 @@ static void *diskstats_start(struct seq_file *part, loff_t *pos) mutex_lock(&block_class_lock); dev = class_find_device(&block_class, NULL, &k, find_start); - if (dev) + if (dev) { + put_device(dev); return dev_to_disk(dev); + } return NULL; } @@ -585,8 +591,10 @@ static void *diskstats_next(struct seq_file *part, void *v, loff_t *pos) ++*pos; dev = class_find_device(&block_class, &gp->dev, NULL, find_next); - if (dev) + if (dev) { + put_device(dev); return dev_to_disk(dev); + } return NULL; } @@ -714,10 +722,12 @@ dev_t blk_lookup_devt(const char *name, int part) mutex_lock(&block_class_lock); find.name = name; find.part = part; - dev = class_find_device(&block_class, NULL, (void *)&find, match_id); - if (dev) + dev = class_find_device(&block_class, NULL, &find, match_id); + if (dev) { + put_device(dev); devt = MKDEV(MAJOR(dev->devt), MINOR(dev->devt) + part); + } mutex_unlock(&block_class_lock); return devt; |