| Message ID | 20210616071547.1156283-1-hch@lst.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/2] mtd_blkdevs: initialze new->rq in add_mtd_blktrans_dev | expand |
On 6/16/21 1:15 AM, Christoph Hellwig wrote: > Various places expect the request_queue in ->rq. Initialize it to > avoid NULL pointer derefences. Applied 1-2, thanks.
diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c index 5dc4c966ea73..6ce4bc57f919 100644 --- a/drivers/mtd/mtd_blkdevs.c +++ b/drivers/mtd/mtd_blkdevs.c @@ -382,6 +382,7 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new) } new->disk = gd; + new->rq = new->disk->queue; gd->private_data = new; gd->major = tr->major; gd->first_minor = (new->devnum) << tr->part_bits;
Various places expect the request_queue in ->rq. Initialize it to avoid NULL pointer derefences. Fixes: 6966bb921def ("mtd_blkdevs: use blk_mq_alloc_disk") Reported-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> --- drivers/mtd/mtd_blkdevs.c | 1 + 1 file changed, 1 insertion(+)