Commit 78ce3daa authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Sagi Grimberg
Browse files

nvmet: fix byte swap in nvmet_execute_write_zeroes 



The length field in the Write Zeroes command is a 16-bit field.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarSagi Grimberg <sagi@grimberg.me>
parent 5ac5fcc6

drivers/nvme/target/io-cmd.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -180,7 +180,7 @@ static void nvmet_execute_write_zeroes(struct nvmet_req *req) 




	sector = le64_to_cpu(write_zeroes->slba) <<

	sector = le64_to_cpu(write_zeroes->slba) <<

		(req->ns->blksize_shift - 9);

		(req->ns->blksize_shift - 9);

	nr_sector = (((sector_t)le32_to_cpu(write_zeroes->length)) <<

	nr_sector = (((sector_t)le16_to_cpu(write_zeroes->length)) <<

		(req->ns->blksize_shift - 9)) + 1;

		(req->ns->blksize_shift - 9)) + 1;





	if (__blkdev_issue_zeroout(req->ns->bdev, sector, nr_sector,

	if (__blkdev_issue_zeroout(req->ns->bdev, sector, nr_sector,

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