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-rw-r--r--drivers/md/dm-ioctl.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index a69658b..e06f0ef 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);
}
}
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