Hi all, After merging the rdma tree, today's linux-next build (x86_64 allmodconfig) produced this warning: drivers/infiniband/hw/cxgb4/restrack.c: In function 'fill_res_qp_entry': drivers/infiniband/hw/cxgb4/restrack.c:140:6: warning: 'last_rq_idx' may be used uninitialized in this function [-Wmaybe-uninitialized] if (rdma_nl_put_driver_u32(msg, "idx", idx)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/infiniband/hw/cxgb4/restrack.c:180:20: note: 'last_rq_idx' was declared here u16 first_rq_idx, last_rq_idx; ^~~~~~~~~~~ drivers/infiniband/hw/cxgb4/restrack.c:140:6: warning: 'first_rq_idx' may be used uninitialized in this function [-Wmaybe-uninitialized] if (rdma_nl_put_driver_u32(msg, "idx", idx)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/infiniband/hw/cxgb4/restrack.c:180:6: note: 'first_rq_idx' was declared here u16 first_rq_idx, last_rq_idx; ^~~~~~~~~~~~ drivers/infiniband/hw/cxgb4/restrack.c:228:6: warning: 'last_sq_idx' may be used uninitialized in this function [-Wmaybe-uninitialized] if (fill_swsqes(msg, &wq.sq, first_sq_idx, fsp, last_sq_idx, lsp)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/infiniband/hw/cxgb4/restrack.c:228:6: warning: 'first_sq_idx' may be used uninitialized in this function [-Wmaybe-uninitialized] Introduced by commit 056f9c7f39bf ("iw_cxgb4: dump detailed driver-specific QP information") -- Cheers, Stephen Rothwell
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