mmc: reorganize bounce buffer init
Reorganize the code that initializes mmc_block's bounce buffer in
order to avoid warnings when MMC_BLOCK_BOUNCE isn't used.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index c9a289c..b0abc7d 100644
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -117,7 +117,6 @@
struct mmc_host *host = card->host;
u64 limit = BLK_BOUNCE_HIGH;
int ret;
- unsigned int bouncesz;
if (mmc_dev(host)->dma_mask && *mmc_dev(host)->dma_mask)
limit = *mmc_dev(host)->dma_mask;
@@ -134,6 +133,8 @@
#ifdef CONFIG_MMC_BLOCK_BOUNCE
if (host->max_hw_segs == 1) {
+ unsigned int bouncesz;
+
bouncesz = MMC_QUEUE_BOUNCESZ;
if (bouncesz > host->max_req_size)
@@ -156,14 +157,14 @@
GFP_KERNEL);
if (!mq->sg) {
ret = -ENOMEM;
- goto free_bounce_buf;
+ goto cleanup_queue;
}
mq->bounce_sg = kmalloc(sizeof(struct scatterlist) *
bouncesz / 512, GFP_KERNEL);
if (!mq->bounce_sg) {
ret = -ENOMEM;
- goto free_sg;
+ goto cleanup_queue;
}
}
}
@@ -197,14 +198,13 @@
if (mq->bounce_sg)
kfree(mq->bounce_sg);
mq->bounce_sg = NULL;
- free_sg:
- kfree(mq->sg);
+ cleanup_queue:
+ if (mq->sg)
+ kfree(mq->sg);
mq->sg = NULL;
- free_bounce_buf:
if (mq->bounce_buf)
kfree(mq->bounce_buf);
mq->bounce_buf = NULL;
- cleanup_queue:
blk_cleanup_queue(mq->queue);
return ret;
}