On 04/05/16 08:31, Jaehoon Chung wrote: > If host->max is lower than PAGE_CACHE_SIZE, it should allocate host->max? PAGE_CACHE_SIZE does not exist anymore. Now there is only PAGE_SIZE. > the scatterlist with incorrect size. Don't understand what you mean. > To prevent illegal behavior, fixed the scatterlist size for mmc_alloc_sg(). > > Signed-off-by: Jaehoon Chung <jh80.chung@xxxxxxxxxxx> > --- > drivers/mmc/card/queue.c | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c > index 6f4323c..0353f99 100644 > --- a/drivers/mmc/card/queue.c > +++ b/drivers/mmc/card/queue.c > @@ -276,12 +276,14 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, > blk_queue_max_segments(mq->queue, host->max_segs); So now mq->queue->limits.max_segments == host->max_segs unless it was zero. > blk_queue_max_segment_size(mq->queue, host->max_seg_size); > > - mqrq_cur->sg = mmc_alloc_sg(host->max_segs, &ret); > + mqrq_cur->sg = > + mmc_alloc_sg(mq->queue->limits.max_segments, &ret); So that is the same unless host->max_segs is zero. > if (ret) > goto cleanup_queue; > > > - mqrq_prev->sg = mmc_alloc_sg(host->max_segs, &ret); > + mqrq_prev->sg = > + mmc_alloc_sg(mq->queue->limits.max_segments, &ret); > if (ret) > goto cleanup_queue; > } > -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
