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authorKwan (Hingkwan) Huen-SSI <kwan.huen@samsung.com>2017-08-09 11:26:29 -0700
committerChristoph Hellwig <hch@lst.de>2017-08-10 19:53:44 +0200
commita082b426286d1ead97fb87646ea361d528be023d (patch)
treec1b780f80bbaf854dc07447a8ccd281ffc791eda
parent634b8325905031eeafa61951623681ebc1329385 (diff)
downloadlinux-stericsson-a082b426286d1ead97fb87646ea361d528be023d.tar.gz
nvme: fix directive command numd calculation
The numd field of directive receive command takes number of dwords to transfer. This fix has the correct calculation for numd. Signed-off-by: Kwan (Hingkwan) Huen-SSI <kwan.huen@samsung.com> Reviewed-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Christoph Hellwig <hch@lst.de>
-rw-r--r--drivers/nvme/host/core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 6212cf4e9829..37046ac2c441 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -336,7 +336,7 @@ static int nvme_get_stream_params(struct nvme_ctrl *ctrl,
c.directive.opcode = nvme_admin_directive_recv;
c.directive.nsid = cpu_to_le32(nsid);
- c.directive.numd = cpu_to_le32(sizeof(*s));
+ c.directive.numd = cpu_to_le32((sizeof(*s) >> 2) - 1);
c.directive.doper = NVME_DIR_RCV_ST_OP_PARAM;
c.directive.dtype = NVME_DIR_STREAMS;