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clk: rockchip: add clock ids for efuse on RK3366
[firefly-linux-kernel-4.4.55.git]
/
drivers
/
block
/
brd.c
diff --git
a/drivers/block/brd.c
b/drivers/block/brd.c
index c9f9c30d646756296e0e4bdd212a33ba28a479b6..1914c63ca8b1d858b07ae102f7b0715785004038 100644
(file)
--- a/
drivers/block/brd.c
+++ b/
drivers/block/brd.c
@@
-337,6
+337,9
@@
static blk_qc_t brd_make_request(struct request_queue *q, struct bio *bio)
goto io_error;
if (unlikely(bio->bi_rw & REQ_DISCARD)) {
+ if (sector & ((PAGE_SIZE >> SECTOR_SHIFT) - 1) ||
+ bio->bi_iter.bi_size & ~PAGE_MASK)
+ goto io_error;
discard_from_brd(brd, sector, bio->bi_iter.bi_size);
goto out;
}