From de882ff5b8640c34d5f1d5dfd2f22f405465aa19 Mon Sep 17 00:00:00 2001 From: Dean Luick Date: Tue, 12 Apr 2016 10:50:28 -0700 Subject: [PATCH] IB/hfi1: Correctly obtain the full service class The function hdr2sc was using an unshifted mask to obtain the 5th bit of the service class. Correct the issue by using the shifted mask. Reviewed-by: Dennis Dalessandro Signed-off-by: Dean Luick Signed-off-by: Doug Ledford --- drivers/staging/rdma/hfi1/hfi.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/rdma/hfi1/hfi.h b/drivers/staging/rdma/hfi1/hfi.h index 16cbdc4073e0..ac553f1ed730 100644 --- a/drivers/staging/rdma/hfi1/hfi.h +++ b/drivers/staging/rdma/hfi1/hfi.h @@ -1258,7 +1258,7 @@ void receive_interrupt_work(struct work_struct *work); static inline int hdr2sc(struct hfi1_message_header *hdr, u64 rhf) { return ((be16_to_cpu(hdr->lrh[0]) >> 12) & 0xf) | - ((!!(rhf & RHF_DC_INFO_MASK)) << 4); + ((!!(rhf & RHF_DC_INFO_SMASK)) << 4); } static inline u16 generate_jkey(kuid_t uid) -- 2.20.1