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mmc: need to zero sglist on init
Otherwise we could have junk in the sg fields, fooling the sg chaining into thinking ->page is valid. Acked-by: Pierre Ossman <drzeus@drzeus.cx> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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@ -153,14 +153,14 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock
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blk_queue_max_hw_segments(mq->queue, bouncesz / 512);
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blk_queue_max_segment_size(mq->queue, bouncesz);
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mq->sg = kmalloc(sizeof(struct scatterlist),
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mq->sg = kzalloc(sizeof(struct scatterlist),
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GFP_KERNEL);
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if (!mq->sg) {
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ret = -ENOMEM;
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goto cleanup_queue;
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}
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mq->bounce_sg = kmalloc(sizeof(struct scatterlist) *
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mq->bounce_sg = kzalloc(sizeof(struct scatterlist) *
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bouncesz / 512, GFP_KERNEL);
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if (!mq->bounce_sg) {
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ret = -ENOMEM;
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@ -177,7 +177,7 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock
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blk_queue_max_hw_segments(mq->queue, host->max_hw_segs);
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blk_queue_max_segment_size(mq->queue, host->max_seg_size);
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mq->sg = kmalloc(sizeof(struct scatterlist) *
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mq->sg = kzalloc(sizeof(struct scatterlist) *
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host->max_phys_segs, GFP_KERNEL);
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if (!mq->sg) {
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ret = -ENOMEM;
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