Hi Ekansh, kernel test robot noticed the following build warnings: [auto build test WARNING on char-misc/char-misc-testing] [also build test WARNING on char-misc/char-misc-next char-misc/char-misc-linus linus/master v6.5 next-20230831] [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/20230901-002929 base: char-misc/char-misc-testing patch link: https://lore.kernel.org/r/1693499292-19083-6-git-send-email-quic_ekangupt%40quicinc.com patch subject: [PATCH v1 5/5] misc: fastrpc: Add support to allocate shared context bank config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20230901/202309011446.SVM4HbHv-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230901/202309011446.SVM4HbHv-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/202309011446.SVM4HbHv-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/misc/fastrpc.c: In function 'fastrpc_context_alloc': drivers/misc/fastrpc.c:674:29: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 674 | ctx->args = (struct fastrpc_invoke_args *)invoke->inv.args; | ^ drivers/misc/fastrpc.c: In function 'fastrpc_init_create_static_process': drivers/misc/fastrpc.c:1540:26: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 1540 | ioctl.inv.args = (__u64)args; | ^ drivers/misc/fastrpc.c: In function 'fastrpc_init_create_process': drivers/misc/fastrpc.c:1677:26: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 1677 | ioctl.inv.args = (__u64)args; | ^ drivers/misc/fastrpc.c: In function 'fastrpc_release_current_dsp_process': drivers/misc/fastrpc.c:1730:26: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 1730 | ioctl.inv.args = (__u64)args; | ^ drivers/misc/fastrpc.c: In function 'fastrpc_device_release': drivers/misc/fastrpc.c:1739:42: warning: unused variable 'n' [-Wunused-variable] 1739 | struct fastrpc_invoke_ctx *ctx, *n; | ^ drivers/misc/fastrpc.c:1739:36: warning: unused variable 'ctx' [-Wunused-variable] 1739 | struct fastrpc_invoke_ctx *ctx, *n; | ^~~ drivers/misc/fastrpc.c: In function 'fastrpc_init_attach': drivers/misc/fastrpc.c:1871:26: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 1871 | ioctl.inv.args = (__u64)args; | ^ drivers/misc/fastrpc.c: In function 'fastrpc_invoke': drivers/misc/fastrpc.c:1902:26: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 1902 | ioctl.inv.args = (__u64)args; | ^ drivers/misc/fastrpc.c: In function 'fastrpc_internal_control': drivers/misc/fastrpc.c:1920:14: error: 'FASTRPC_CONTROL_SMMU' undeclared (first use in this function); did you mean 'FASTRPC_IOCTL_MMAP'? 1920 | case FASTRPC_CONTROL_SMMU: | ^~~~~~~~~~~~~~~~~~~~ | FASTRPC_IOCTL_MMAP drivers/misc/fastrpc.c:1920:14: note: each undeclared identifier is reported only once for each function it appears in drivers/misc/fastrpc.c:1920:9: error: case label not within a switch statement 1920 | case FASTRPC_CONTROL_SMMU: | ^~~~ drivers/misc/fastrpc.c:1922:17: error: break statement not within loop or switch 1922 | break; | ^~~~~ drivers/misc/fastrpc.c:1923:9: error: 'default' label not within a switch statement 1923 | default: | ^~~~~~~ drivers/misc/fastrpc.c:1925:17: error: break statement not within loop or switch 1925 | break; | ^~~~~ >> drivers/misc/fastrpc.c:1913:13: warning: variable 'err' set but not used [-Wunused-but-set-variable] 1913 | int err = 0; | ^~~ drivers/misc/fastrpc.c: At top level: drivers/misc/fastrpc.c:1927:9: error: expected identifier or '(' before 'return' 1927 | return err; | ^~~~~~ drivers/misc/fastrpc.c:1928:1: error: expected identifier or '(' before '}' token 1928 | } | ^ drivers/misc/fastrpc.c: In function 'fastrpc_multimode_invoke': drivers/misc/fastrpc.c:1964:33: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 1964 | einv.inv.args = (__u64)args; | ^ drivers/misc/fastrpc.c: In function 'fastrpc_get_info_from_dsp': drivers/misc/fastrpc.c:2000:26: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 2000 | ioctl.inv.args = (__u64)args; | ^ drivers/misc/fastrpc.c: In function 'fastrpc_req_munmap_impl': drivers/misc/fastrpc.c:2103:26: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 2103 | ioctl.inv.args = (__u64)args; | ^ drivers/misc/fastrpc.c: In function 'fastrpc_req_mmap': drivers/misc/fastrpc.c:2201:26: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 2201 | ioctl.inv.args = (__u64)args; | ^ drivers/misc/fastrpc.c: In function 'fastrpc_req_mem_unmap_impl': drivers/misc/fastrpc.c:2282:26: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 2282 | ioctl.inv.args = (__u64)args; | ^ drivers/misc/fastrpc.c: In function 'fastrpc_req_mem_map': drivers/misc/fastrpc.c:2351:26: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 2351 | ioctl.inv.args = (__u64)args; | ^ drivers/misc/fastrpc.c: In function 'fastrpc_internal_control': drivers/misc/fastrpc.c:1926:9: error: control reaches end of non-void function [-Werror=return-type] 1926 | } | ^ cc1: some warnings being treated as errors vim +/err +1913 drivers/misc/fastrpc.c 1909 1910 static int fastrpc_internal_control(struct fastrpc_user *fl, 1911 struct fastrpc_internal_control *cp) 1912 { > 1913 int err = 0; 1914 1915 if (!fl) 1916 return -EBADF; 1917 if (!cp) 1918 return -EINVAL; 1919 1920 case FASTRPC_CONTROL_SMMU: 1921 fl->sharedcb = cp->smmu.sharedcb; > 1922 break; 1923 default: 1924 err = -EBADRQC; 1925 break; 1926 } 1927 return err; 1928 } 1929 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
