Messages in this thread Patch in this message | | | From | kwan.huen@ssi ... | Subject | [PATCH] nvme: fix directive command numd calculation | Date | Wed, 09 Aug 2017 11:26:29 -0700 |
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From: "Kwan (Hingkwan) Huen-SSI" <kwan.huen@samsung.com>
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> --- drivers/nvme/host/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index c49f1f8..95de9a5 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; -- 2.7.4
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