Hi Ekansh, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on v6.7-rc2 next-20231122] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Ekansh-Gupta/misc-fastrpc-Add-fastrpc-multimode-invoke-request-support/20231121-175147 base: linus/master patch link: https://lore.kernel.org/r/20231121094844.5764-2-quic_ekangupt%40quicinc.com patch subject: [PATCH v7 1/5] misc: fastrpc: Add fastrpc multimode invoke request support config: mips-randconfig-r122-20231122 (https://download.01.org/0day-ci/archive/20231122/202311222004.ycVXExec-lkp@xxxxxxxxx/config) compiler: mips-linux-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20231122/202311222004.ycVXExec-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202311222004.ycVXExec-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/misc/fastrpc.c:607:59: sparse: sparse: non size-preserving integer to pointer cast >> drivers/misc/fastrpc.c:1318:33: sparse: sparse: non size-preserving pointer to integer cast drivers/misc/fastrpc.c:1451:33: sparse: sparse: non size-preserving pointer to integer cast drivers/misc/fastrpc.c:1515:33: sparse: sparse: non size-preserving pointer to integer cast drivers/misc/fastrpc.c:1663:33: sparse: sparse: non size-preserving pointer to integer cast drivers/misc/fastrpc.c:1694:33: sparse: sparse: non size-preserving pointer to integer cast drivers/misc/fastrpc.c:1741:40: sparse: sparse: non size-preserving pointer to integer cast drivers/misc/fastrpc.c:1771:33: sparse: sparse: non size-preserving pointer to integer cast drivers/misc/fastrpc.c:1874:33: sparse: sparse: non size-preserving pointer to integer cast drivers/misc/fastrpc.c:1972:33: sparse: sparse: non size-preserving pointer to integer cast drivers/misc/fastrpc.c:2053:33: sparse: sparse: non size-preserving pointer to integer cast drivers/misc/fastrpc.c:2124:33: sparse: sparse: non size-preserving pointer to integer cast vim +607 drivers/misc/fastrpc.c 573 574 static struct fastrpc_invoke_ctx *fastrpc_context_alloc( 575 struct fastrpc_user *user, u32 kernel, u32 sc, 576 struct fastrpc_enhanced_invoke *invoke) 577 { 578 struct fastrpc_channel_ctx *cctx = user->cctx; 579 struct fastrpc_invoke_ctx *ctx = NULL; 580 unsigned long flags; 581 int ret; 582 583 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); 584 if (!ctx) 585 return ERR_PTR(-ENOMEM); 586 587 INIT_LIST_HEAD(&ctx->node); 588 ctx->fl = user; 589 ctx->nscalars = REMOTE_SCALARS_LENGTH(sc); 590 ctx->nbufs = REMOTE_SCALARS_INBUFS(sc) + 591 REMOTE_SCALARS_OUTBUFS(sc); 592 593 if (ctx->nscalars) { 594 ctx->maps = kcalloc(ctx->nscalars, 595 sizeof(*ctx->maps), GFP_KERNEL); 596 if (!ctx->maps) { 597 kfree(ctx); 598 return ERR_PTR(-ENOMEM); 599 } 600 ctx->olaps = kcalloc(ctx->nscalars, 601 sizeof(*ctx->olaps), GFP_KERNEL); 602 if (!ctx->olaps) { 603 kfree(ctx->maps); 604 kfree(ctx); 605 return ERR_PTR(-ENOMEM); 606 } > 607 ctx->args = (struct fastrpc_invoke_args *)invoke->inv.args; 608 fastrpc_get_buff_overlaps(ctx); 609 } 610 611 /* Released in fastrpc_context_put() */ 612 fastrpc_channel_ctx_get(cctx); 613 614 ctx->sc = sc; 615 ctx->retval = -1; 616 ctx->pid = current->pid; 617 ctx->tgid = user->tgid; 618 ctx->cctx = cctx; 619 init_completion(&ctx->work); 620 INIT_WORK(&ctx->put_work, fastrpc_context_put_wq); 621 622 spin_lock(&user->lock); 623 list_add_tail(&ctx->node, &user->pending); 624 spin_unlock(&user->lock); 625 626 spin_lock_irqsave(&cctx->lock, flags); 627 ret = idr_alloc_cyclic(&cctx->ctx_idr, ctx, 1, 628 FASTRPC_CTX_MAX, GFP_ATOMIC); 629 if (ret < 0) { 630 spin_unlock_irqrestore(&cctx->lock, flags); 631 goto err_idr; 632 } 633 ctx->ctxid = ret << 4; 634 spin_unlock_irqrestore(&cctx->lock, flags); 635 636 kref_init(&ctx->refcount); 637 638 return ctx; 639 err_idr: 640 spin_lock(&user->lock); 641 list_del(&ctx->node); 642 spin_unlock(&user->lock); 643 fastrpc_channel_ctx_put(cctx); 644 kfree(ctx->maps); 645 kfree(ctx->olaps); 646 kfree(ctx); 647 648 return ERR_PTR(ret); 649 } 650 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
