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authorIndraneel Mukherjee <indraneel.m@samsung.com>2014-05-29 12:02:03 +0530
committerMatthew Wilcox <matthew.r.wilcox@intel.com>2014-06-03 16:42:41 -0400
commit4131f2fcdc5853d995044d4ed995a25ee4eb5ab2 (patch)
tree1a1e743536c11b1bbff33b973c511d3722daeb5a /drivers/block
parentNVMe: Update data structures for NVMe 1.2 (diff)
downloadlinux-dev-4131f2fcdc5853d995044d4ed995a25ee4eb5ab2.tar.xz
linux-dev-4131f2fcdc5853d995044d4ed995a25ee4eb5ab2.zip
NVMe: Fix the buffer size passed in GetLogPage(CDW10.NUMD)
In GetLogPage the buffer size passed to device is a 0's based value. Signed-off-by: Indraneel M <indraneel.m@samsung.com> Reported-by: Shiro Itou <shiro.itou@outlook.com> Reviewed-by: Vishal Verma <vishal.l.verma@linux.intel.com> Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/nvme-scsi.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/block/nvme-scsi.c b/drivers/block/nvme-scsi.c
index da3b252dea6f..7ec61c4a817c 100644
--- a/drivers/block/nvme-scsi.c
+++ b/drivers/block/nvme-scsi.c
@@ -1014,8 +1014,8 @@ static int nvme_trans_log_info_exceptions(struct nvme_ns *ns,
c.common.opcode = nvme_admin_get_log_page;
c.common.nsid = cpu_to_le32(0xFFFFFFFF);
c.common.prp1 = cpu_to_le64(dma_addr);
- c.common.cdw10[0] = cpu_to_le32(((sizeof(struct nvme_smart_log) /
- BYTES_TO_DWORDS) << 16) | NVME_GET_SMART_LOG_PAGE);
+ c.common.cdw10[0] = cpu_to_le32((((sizeof(struct nvme_smart_log) /
+ BYTES_TO_DWORDS) - 1) << 16) | NVME_GET_SMART_LOG_PAGE);
res = nvme_submit_admin_cmd(dev, &c, NULL);
if (res != NVME_SC_SUCCESS) {
temp_c = LOG_TEMP_UNKNOWN;
@@ -1082,8 +1082,8 @@ static int nvme_trans_log_temperature(struct nvme_ns *ns, struct sg_io_hdr *hdr,
c.common.opcode = nvme_admin_get_log_page;
c.common.nsid = cpu_to_le32(0xFFFFFFFF);
c.common.prp1 = cpu_to_le64(dma_addr);
- c.common.cdw10[0] = cpu_to_le32(((sizeof(struct nvme_smart_log) /
- BYTES_TO_DWORDS) << 16) | NVME_GET_SMART_LOG_PAGE);
+ c.common.cdw10[0] = cpu_to_le32((((sizeof(struct nvme_smart_log) /
+ BYTES_TO_DWORDS) - 1) << 16) | NVME_GET_SMART_LOG_PAGE);
res = nvme_submit_admin_cmd(dev, &c, NULL);
if (res != NVME_SC_SUCCESS) {
temp_c_cur = LOG_TEMP_UNKNOWN;