diff options
| -rw-r--r-- | drivers/md/dm-ioctl.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index a69658b18dc9..e06f0ef7d2ec 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -506,6 +506,7 @@ static int list_devices(struct file *filp, struct dm_ioctl *param, size_t param_ size_t len, needed = 0; struct gendisk *disk; struct dm_name_list *nl, *old_nl = NULL; + uint32_t *event_nr; down_write(&_hash_lock); @@ -518,6 +519,7 @@ static int list_devices(struct file *filp, struct dm_ioctl *param, size_t param_ needed += sizeof(struct dm_name_list); needed += strlen(hc->name) + 1; needed += ALIGN_MASK; + needed += (sizeof(uint32_t) + ALIGN_MASK) & ~ALIGN_MASK; } } @@ -547,7 +549,9 @@ static int list_devices(struct file *filp, struct dm_ioctl *param, size_t param_ strcpy(nl->name, hc->name); old_nl = nl; - nl = align_ptr(((void *) ++nl) + strlen(hc->name) + 1); + event_nr = align_ptr(((void *) (nl + 1)) + strlen(hc->name) + 1); + *event_nr = dm_get_event_nr(hc->md); + nl = align_ptr(event_nr + 1); } } |