diff options
| author | Kwan (Hingkwan) Huen-SSI <kwan.huen@samsung.com> | 2017-08-09 11:26:29 -0700 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2017-08-10 19:53:44 +0200 |
| commit | a082b426286d1ead97fb87646ea361d528be023d (patch) | |
| tree | c1b780f80bbaf854dc07447a8ccd281ffc791eda | |
| parent | 634b8325905031eeafa61951623681ebc1329385 (diff) | |
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.c | 2 |
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; |