4.18-stable review patch. If anyone has any objections, please let me know.
------------------ From: Bart Van Assche <[email protected]> [ Upstream commit 4eefd62c17a9a5e7576207e84f3d2b4f73aba750 ] IB_MULTICAST_LID_BASE is defined as follows: #define IB_MULTICAST_LID_BASE cpu_to_be16(0xC000) Hence use be16_to_cpu() to convert it to CPU endianness. Compile-tested only. Fixes: af808ece5ce9 ("IB/SA: Check dlid before SA agent queries for ClassPortInfo") Signed-off-by: Bart Van Assche <[email protected]> Cc: Venkata Sandeep Dhanalakota <[email protected]> Cc: Mike Marciniszyn <[email protected]> Cc: Dennis Dalessandro <[email protected]> Signed-off-by: Jason Gunthorpe <[email protected]> Signed-off-by: Sasha Levin <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- include/rdma/opa_addr.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/include/rdma/opa_addr.h +++ b/include/rdma/opa_addr.h @@ -120,7 +120,7 @@ static inline bool rdma_is_valid_unicast if (attr->type == RDMA_AH_ATTR_TYPE_IB) { if (!rdma_ah_get_dlid(attr) || rdma_ah_get_dlid(attr) >= - be32_to_cpu(IB_MULTICAST_LID_BASE)) + be16_to_cpu(IB_MULTICAST_LID_BASE)) return false; } else if (attr->type == RDMA_AH_ATTR_TYPE_OPA) { if (!rdma_ah_get_dlid(attr) ||
