mmc: Fix sg helper copy-and-paste error

Commit 45711f1a ("[SG] Update drivers to use sg helpers") had the
following bogus change in drivers/mmc/card/queue.c:

    > -			src_buf = page_address(src->page) + src->offset;
    > +			src_buf = sg_virt(dst);

(Notice that "src" is converted to "dst").  Turn this "dst" back into
the intended "src".

Signed-off-by: Roland Dreier <roland@digitalvampire.org>
Tested-by: Romano Giannetti <romano.giannetti@gmail.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index 9203a0b..1b9c9b6 100644 (file)
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -310,7 +310,7 @@ static void copy_sg(struct scatterlist *dst, unsigned int dst_len,
                }
 
                if (src_size == 0) {
-                       src_buf = sg_virt(dst);
+                       src_buf = sg_virt(src);
                        src_size = src->length;
                }