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Commit 05e5b136 authored by Haavard Skinnemoen's avatar Haavard Skinnemoen Committed by Jens Axboe
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mmc: Add missing sg_init_table() call 



mmc_init_queue only initializes the scatterlists with sg_init_table()
when using a bounce buffer. This leads to a BUG() when CONFIG_DEBUG_SG
is set.

Signed-off-by: default avatarHaavard Skinnemoen <hskinnemoen@atmel.com>
Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
parent c7674030

drivers/mmc/card/queue.c

+2 −1
Original line number Diff line number Diff line
@@ -180,12 +180,13 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock 
		blk_queue_max_hw_segments(mq->queue, host->max_hw_segs);

		blk_queue_max_segment_size(mq->queue, host->max_seg_size);



		mq->sg = kzalloc(sizeof(struct scatterlist) *

		mq->sg = kmalloc(sizeof(struct scatterlist) *

			host->max_phys_segs, GFP_KERNEL);

		if (!mq->sg) {

			ret = -ENOMEM;

			goto cleanup_queue;

		}

		sg_init_table(mq->sg, host->max_phys_segs);

	}



	init_MUTEX(&mq->thread_sem);