[Drbd-dev] [PATCH 02/26] block: move the DISK_MAX_PARTS sanity check into __device_add_disk

[Christoph Hellwig]

Keep this together with the first place that actually looks at
->minors and prepare for not passing a minors argument to
alloc_disk.

Signed-off-by: Christoph Hellwig <hch at lst.de>
---
 block/genhd.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/block/genhd.c b/block/genhd.c
index 2c00bc3261d9..7f9beaeede11 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -491,6 +491,12 @@ static void __device_add_disk(struct device *parent, struct gendisk *disk,
 	 */
 	if (disk->major) {
 		WARN_ON(!disk->minors);
+
+		if (disk->minors > DISK_MAX_PARTS) {
+			pr_err("block: can't allocate more than %d partitions\n",
+				DISK_MAX_PARTS);
+			disk->minors = DISK_MAX_PARTS;
+		}
 	} else {
 		WARN_ON(disk->minors);
 		WARN_ON(!(disk->flags & (GENHD_FL_EXT_DEVT | GENHD_FL_HIDDEN)));
@@ -1264,13 +1270,6 @@ struct gendisk *__alloc_disk_node(int minors, int node_id)
 {
 	struct gendisk *disk;
 
-	if (minors > DISK_MAX_PARTS) {
-		printk(KERN_ERR
-			"block: can't allocate more than %d partitions\n",
-			DISK_MAX_PARTS);
-		minors = DISK_MAX_PARTS;
-	}
-
 	disk = kzalloc_node(sizeof(struct gendisk), GFP_KERNEL, node_id);
 	if (!disk)
 		return NULL;
-- 
2.30.2