diff options
author | H. Peter Anvin <hpa@zytor.com> | 2008-09-04 08:08:42 -0700 |
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committer | H. Peter Anvin <hpa@zytor.com> | 2008-09-04 08:08:42 -0700 |
commit | 7203781c98ad9147564d327de6f6513ad8fc0f4e (patch) | |
tree | 5c29a2a04a626bf08a0d56fd8a0068b3c92ad284 /block/genhd.c | |
parent | 671eef85a3e885dff4ce210d8774ad50a91d5967 (diff) | |
parent | af2e1f276ff08f17192411ea3b71c13a758dfe12 (diff) |
Merge branch 'x86/cpu' into x86/core
Conflicts:
arch/x86/kernel/cpu/feature_names.c
include/asm-x86/cpufeature.h
Diffstat (limited to 'block/genhd.c')
-rw-r--r-- | block/genhd.c | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/block/genhd.c b/block/genhd.c index c13cc77291a..656c2c7abf9 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -293,27 +293,30 @@ void __init printk_all_partitions(void) /* iterator */ static int find_start(struct device *dev, void *data) { - loff_t k = *(loff_t *)data; + loff_t *k = data; if (dev->type != &disk_type) return 0; - if (!k--) + if (!*k) return 1; + (*k)--; return 0; } static void *part_start(struct seq_file *part, loff_t *pos) { struct device *dev; - loff_t n = *pos; + loff_t k = *pos; - if (!n) + if (!k) seq_puts(part, "major minor #blocks name\n\n"); mutex_lock(&block_class_lock); - dev = class_find_device(&block_class, NULL, (void *)pos, find_start); - if (dev) + dev = class_find_device(&block_class, NULL, &k, find_start); + if (dev) { + put_device(dev); return dev_to_disk(dev); + } return NULL; } @@ -330,8 +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; } @@ -568,11 +573,14 @@ static struct device_type disk_type = { static void *diskstats_start(struct seq_file *part, loff_t *pos) { struct device *dev; + loff_t k = *pos; mutex_lock(&block_class_lock); - dev = class_find_device(&block_class, NULL, (void *)pos, find_start); - if (dev) + dev = class_find_device(&block_class, NULL, &k, find_start); + if (dev) { + put_device(dev); return dev_to_disk(dev); + } return NULL; } @@ -583,8 +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; } @@ -712,10 +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; |