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nvmf: Update get_rdma_conn and get_rdma_req

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The "+" is not correct, should be "-". Currently,
the issue doest not happen since the offset is 0,
then both + and - is OK. But if we adjust the location
of spdk_nvmf_conn or spdk_nvmf_request, we can find
this bug.

Change-Id: Ib358dc729da901a69442d0402a6089989f49b05c
Signed-off-by: Ziye Yang <ziye.yang@intel.com>
This commit is contained in:
Ziye Yang 2016-09-06 14:42:58 +08:00 committed by Ben Walker
parent 20953e1ccd
commit 1675e153fb
1 changed files with 2 additions and 2 deletions
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4
lib/nvmf/rdma.c
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@ -164,13 +164,13 @@ static struct spdk_nvmf_rdma g_rdma = {
static inline struct spdk_nvmf_rdma_conn *
get_rdma_conn(struct spdk_nvmf_conn *conn)
{
return (struct spdk_nvmf_rdma_conn *)((uintptr_t)conn + offsetof(struct spdk_nvmf_rdma_conn, conn));
return (struct spdk_nvmf_rdma_conn *)((uintptr_t)conn - offsetof(struct spdk_nvmf_rdma_conn, conn));
}
static inline struct spdk_nvmf_rdma_request *
get_rdma_req(struct spdk_nvmf_request *req)
{
return (struct spdk_nvmf_rdma_request *)((uintptr_t)req + offsetof(struct spdk_nvmf_rdma_request,
return (struct spdk_nvmf_rdma_request *)((uintptr_t)req - offsetof(struct spdk_nvmf_rdma_request,
req));
}