Messages in this thread Patch in this message | | | Subject | [PATCH 5/9] mtd: Allow dynamic major/minor number for mtd block devices | From | Richard Purdie <> | Date | Fri, 02 Mar 2007 15:54:49 +0000 |
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Allow mtd block devices to have a dynamically allocated major/minor numbers if tr->major == 0.
Signed-off-by: Richard Purdie <rpurdie@openedhand.com>
--- drivers/mtd/mtd_blkdevs.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
Index: linux/drivers/mtd/mtd_blkdevs.c =================================================================== --- linux.orig/drivers/mtd/mtd_blkdevs.c 2007-02-28 18:16:52.000000000 +0000 +++ linux/drivers/mtd/mtd_blkdevs.c 2007-03-02 14:46:29.000000000 +0000 @@ -380,13 +380,16 @@ int register_mtd_blktrans(struct mtd_blk mutex_lock(&mtd_table_mutex); ret = register_blkdev(tr->major, tr->name); - if (ret) { + if (ret < 0) { printk(KERN_WARNING "Unable to register %s block device on major %d: %d\n", tr->name, tr->major, ret); kfree(tr->blkcore_priv); mutex_unlock(&mtd_table_mutex); return ret; } + if (!tr->major) + tr->major = ret; + spin_lock_init(&tr->blkcore_priv->queue_lock); init_completion(&tr->blkcore_priv->thread_dead); init_waitqueue_head(&tr->blkcore_priv->thread_wq);
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