diff options
| author | Linus Torvalds <[email protected]> | 2017-09-18 08:44:51 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2017-09-18 08:44:51 -0700 |
| commit | ebb2c2437d8008d46796902ff390653822af6cc4 (patch) | |
| tree | 652ca0006e8b56873acacea4a05e404bfb3d2612 /drivers/mmc/core/queue.c | |
| parent | 0666f560b71b899cd11a7caf39fd45129e9030fd (diff) | |
| parent | b917c6d18c031cfce11ec35139033845f205b1d0 (diff) | |
Merge tag 'mmc-v4.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"MMC core:
- Fix trivial typo in Kconfig
- Fixup initialization of mmc block requests
MMC host:
- cavium: Fix use-after-free bug reported by KASAN"
* tag 'mmc-v4.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: cavium: Fix use-after-free in of_platform_device_destroy
mmc: host: fix typo after MMC_DEBUG move
mmc: block: Fix incorrectly initialized requests
Diffstat (limited to 'drivers/mmc/core/queue.c')
| -rw-r--r-- | drivers/mmc/core/queue.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c index affa7370ba82..74c663b1c0a7 100644 --- a/drivers/mmc/core/queue.c +++ b/drivers/mmc/core/queue.c @@ -242,6 +242,12 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, if (mmc_dev(host)->dma_mask && *mmc_dev(host)->dma_mask) limit = (u64)dma_max_pfn(mmc_dev(host)) << PAGE_SHIFT; + /* + * mmc_init_request() depends on card->bouncesz so it must be calculated + * before blk_init_allocated_queue() starts allocating requests. + */ + card->bouncesz = mmc_queue_calc_bouncesz(host); + mq->card = card; mq->queue = blk_alloc_queue(GFP_KERNEL); if (!mq->queue) @@ -265,7 +271,6 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, if (mmc_can_erase(card)) mmc_queue_setup_discard(mq->queue, card); - card->bouncesz = mmc_queue_calc_bouncesz(host); if (card->bouncesz) { blk_queue_max_hw_sectors(mq->queue, card->bouncesz / 512); blk_queue_max_segments(mq->queue, card->bouncesz / 512); |