X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fmd%2Fdm-ioctl.c;h=823ceba6efa8dcccc95b14cf72986195c52b3ae8;hb=f001a70cdc61c01452d42e8b32fd7c7842ef62d5;hp=54d0588fc1f60fdf40cf10709d4f95961aa1bd8f;hpb=d58168763f74d1edbc296d7038c60efe6493fdd4;p=safe%2Fjmp%2Flinux-2.6

diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index 54d0588..823ceba 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -704,7 +704,8 @@ static int dev_rename(struct dm_ioctl *param, size_t param_size)
 	char *new_name = (char *) param + param->data_start;
 
 	if (new_name < param->data ||
-	    invalid_str(new_name, (void *) param + param_size)) {
+	    invalid_str(new_name, (void *) param + param_size) ||
+	    strlen(new_name) > DM_NAME_LEN - 1) {
 		DMWARN("Invalid new logical volume name supplied.");
 		return -EINVAL;
 	}
@@ -1046,6 +1047,19 @@ static int populate_table(struct dm_table *table,
 	return dm_table_complete(table);
 }
 
+static int table_prealloc_integrity(struct dm_table *t,
+				    struct mapped_device *md)
+{
+	struct list_head *devices = dm_table_get_devices(t);
+	struct dm_dev_internal *dd;
+
+	list_for_each_entry(dd, devices, list)
+		if (bdev_get_integrity(dd->dm_dev.bdev))
+			return blk_integrity_register(dm_disk(md), NULL);
+
+	return 0;
+}
+
 static int table_load(struct dm_ioctl *param, size_t param_size)
 {
 	int r;
@@ -1063,7 +1077,15 @@ static int table_load(struct dm_ioctl *param, size_t param_size)
 
 	r = populate_table(t, param, param_size);
 	if (r) {
-		dm_table_put(t);
+		dm_table_destroy(t);
+		goto out;
+	}
+
+	r = table_prealloc_integrity(t, md);
+	if (r) {
+		DMERR("%s: could not register integrity profile.",
+		      dm_device_name(md));
+		dm_table_destroy(t);
 		goto out;
 	}
 
@@ -1071,7 +1093,7 @@ static int table_load(struct dm_ioctl *param, size_t param_size)
 	hc = dm_get_mdptr(md);
 	if (!hc || hc->md != md) {
 		DMWARN("device has been removed from the dev hash table.");
-		dm_table_put(t);
+		dm_table_destroy(t);
 		up_write(&_hash_lock);
 		r = -ENXIO;
 		goto out;