| Message ID | 20240816072218.27125-2-thuth@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [PULL,1/5] target/s390x: fix build warning (gcc-12 -fsanitize=thread) | expand |
On 16/8/24 09:22, Thomas Huth wrote: > From: Pierrick Bouvier <pierrick.bouvier@linaro.org> > > Found on debian stable. > > ../target/s390x/tcg/translate.c: In function ‘get_mem_index’: > ../target/s390x/tcg/translate.c:398:1: error: control reaches end of non-void function [-Werror=return-type] > 398 | } > > Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org> > Acked-by: Ilya Leoshkevich <iii@linux.ibm.com> > Message-ID: <20240814224132.897098-4-pierrick.bouvier@linaro.org> > Signed-off-by: Thomas Huth <thuth@redhat.com> > --- > target/s390x/tcg/translate.c | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c > index c81e035dea..bcfff40b25 100644 > --- a/target/s390x/tcg/translate.c > +++ b/target/s390x/tcg/translate.c > @@ -392,7 +392,6 @@ static int get_mem_index(DisasContext *s) > return MMU_HOME_IDX; > default: > g_assert_not_reached(); > - break; Why aren't the other cases problematic? $ git grep -A1 g_assert_not_reached | fgrep -B1 break accel/tcg/plugin-gen.c:253: g_assert_not_reached(); accel/tcg/plugin-gen.c-254- break; -- block/ssh.c:476: g_assert_not_reached(); block/ssh.c-477- break; -- fpu/softfloat-parts.c.inc:1375: g_assert_not_reached(); fpu/softfloat-parts.c.inc-1376- break; -- fpu/softfloat-parts.c.inc:1388: g_assert_not_reached(); fpu/softfloat-parts.c.inc-1389- break; -- hw/gpio/nrf51_gpio.c:42: g_assert_not_reached(); hw/gpio/nrf51_gpio.c-43- break; -- hw/misc/imx6_ccm.c:303: g_assert_not_reached(); hw/misc/imx6_ccm.c-304- break; -- hw/misc/mac_via.c:497: g_assert_not_reached(); hw/misc/mac_via.c-498- break; -- hw/misc/mac_via.c:558: g_assert_not_reached(); hw/misc/mac_via.c-559- break; -- hw/pci-host/gt64120.c:691: g_assert_not_reached(); hw/pci-host/gt64120.c-692- break; -- hw/pci-host/gt64120.c:935: g_assert_not_reached(); hw/pci-host/gt64120.c-936- break; -- hw/scsi/virtio-scsi.c:359: g_assert_not_reached(); hw/scsi/virtio-scsi.c-360- break; -- hw/tpm/tpm_spapr.c:208: g_assert_not_reached(); hw/tpm/tpm_spapr.c-209- break; -- target/arm/hyp_gdbstub.c:160: g_assert_not_reached(); target/arm/hyp_gdbstub.c-161- break; -- target/riscv/insn_trans/trans_rvv.c.inc:3174: g_assert_not_reached(); target/riscv/insn_trans/trans_rvv.c.inc-3175- break; -- target/riscv/insn_trans/trans_rvv.c.inc:3259: g_assert_not_reached(); target/riscv/insn_trans/trans_rvv.c.inc-3260- break; -- target/riscv/monitor.c:186: g_assert_not_reached(); target/riscv/monitor.c-187- break; -- target/s390x/tcg/translate.c:394: g_assert_not_reached(); target/s390x/tcg/translate.c-395- break; -- tcg/loongarch64/tcg-target.c.inc:652: g_assert_not_reached(); tcg/loongarch64/tcg-target.c.inc-653- break; -- tests/qtest/migration-helpers.c:78: g_assert_not_reached(); tests/qtest/migration-helpers.c-79- break; -- ui/qemu-pixman.c:51: g_assert_not_reached(); ui/qemu-pixman.c-52- break;
On 16/08/2024 09.45, Philippe Mathieu-Daudé wrote: > On 16/8/24 09:22, Thomas Huth wrote: >> From: Pierrick Bouvier <pierrick.bouvier@linaro.org> >> >> Found on debian stable. >> >> ../target/s390x/tcg/translate.c: In function ‘get_mem_index’: >> ../target/s390x/tcg/translate.c:398:1: error: control reaches end of >> non-void function [-Werror=return-type] >> 398 | } >> >> Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org> >> Acked-by: Ilya Leoshkevich <iii@linux.ibm.com> >> Message-ID: <20240814224132.897098-4-pierrick.bouvier@linaro.org> >> Signed-off-by: Thomas Huth <thuth@redhat.com> >> --- >> target/s390x/tcg/translate.c | 1 - >> 1 file changed, 1 deletion(-) >> >> diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c >> index c81e035dea..bcfff40b25 100644 >> --- a/target/s390x/tcg/translate.c >> +++ b/target/s390x/tcg/translate.c >> @@ -392,7 +392,6 @@ static int get_mem_index(DisasContext *s) >> return MMU_HOME_IDX; >> default: >> g_assert_not_reached(); >> - break; > > Why aren't the other cases problematic? No clue, but I guess we can tackle them once anybody runs into a problem in one of these spots. Thomas
On 8/16/24 00:45, Philippe Mathieu-Daudé wrote: > On 16/8/24 09:22, Thomas Huth wrote: >> From: Pierrick Bouvier <pierrick.bouvier@linaro.org> >> >> Found on debian stable. >> >> ../target/s390x/tcg/translate.c: In function ‘get_mem_index’: >> ../target/s390x/tcg/translate.c:398:1: error: control reaches end of non-void function [-Werror=return-type] >> 398 | } >> >> Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org> >> Acked-by: Ilya Leoshkevich <iii@linux.ibm.com> >> Message-ID: <20240814224132.897098-4-pierrick.bouvier@linaro.org> >> Signed-off-by: Thomas Huth <thuth@redhat.com> >> --- >> target/s390x/tcg/translate.c | 1 - >> 1 file changed, 1 deletion(-) >> >> diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c >> index c81e035dea..bcfff40b25 100644 >> --- a/target/s390x/tcg/translate.c >> +++ b/target/s390x/tcg/translate.c >> @@ -392,7 +392,6 @@ static int get_mem_index(DisasContext *s) >> return MMU_HOME_IDX; >> default: >> g_assert_not_reached(); >> - break; > > Why aren't the other cases problematic? > > $ git grep -A1 g_assert_not_reached | fgrep -B1 break > accel/tcg/plugin-gen.c:253: g_assert_not_reached(); > accel/tcg/plugin-gen.c-254- break; > -- > block/ssh.c:476: g_assert_not_reached(); > block/ssh.c-477- break; > -- > fpu/softfloat-parts.c.inc:1375: g_assert_not_reached(); > fpu/softfloat-parts.c.inc-1376- break; > -- > fpu/softfloat-parts.c.inc:1388: g_assert_not_reached(); > fpu/softfloat-parts.c.inc-1389- break; > -- > hw/gpio/nrf51_gpio.c:42: g_assert_not_reached(); > hw/gpio/nrf51_gpio.c-43- break; > -- > hw/misc/imx6_ccm.c:303: g_assert_not_reached(); > hw/misc/imx6_ccm.c-304- break; > -- > hw/misc/mac_via.c:497: g_assert_not_reached(); > hw/misc/mac_via.c-498- break; > -- > hw/misc/mac_via.c:558: g_assert_not_reached(); > hw/misc/mac_via.c-559- break; > -- > hw/pci-host/gt64120.c:691: g_assert_not_reached(); > hw/pci-host/gt64120.c-692- break; > -- > hw/pci-host/gt64120.c:935: g_assert_not_reached(); > hw/pci-host/gt64120.c-936- break; > -- > hw/scsi/virtio-scsi.c:359: g_assert_not_reached(); > hw/scsi/virtio-scsi.c-360- break; > -- > hw/tpm/tpm_spapr.c:208: g_assert_not_reached(); > hw/tpm/tpm_spapr.c-209- break; > -- > target/arm/hyp_gdbstub.c:160: g_assert_not_reached(); > target/arm/hyp_gdbstub.c-161- break; > -- > target/riscv/insn_trans/trans_rvv.c.inc:3174: g_assert_not_reached(); > target/riscv/insn_trans/trans_rvv.c.inc-3175- break; > -- > target/riscv/insn_trans/trans_rvv.c.inc:3259: g_assert_not_reached(); > target/riscv/insn_trans/trans_rvv.c.inc-3260- break; > -- > target/riscv/monitor.c:186: g_assert_not_reached(); > target/riscv/monitor.c-187- break; > -- > target/s390x/tcg/translate.c:394: g_assert_not_reached(); > target/s390x/tcg/translate.c-395- break; > -- > tcg/loongarch64/tcg-target.c.inc:652: g_assert_not_reached(); > tcg/loongarch64/tcg-target.c.inc-653- break; > -- > tests/qtest/migration-helpers.c:78: g_assert_not_reached(); > tests/qtest/migration-helpers.c-79- break; > -- > ui/qemu-pixman.c:51: g_assert_not_reached(); > ui/qemu-pixman.c-52- break; > I'll take a look at constructions where code is present after g_assert_not_reached() and make a series out of it to clean this.
diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c index c81e035dea..bcfff40b25 100644 --- a/target/s390x/tcg/translate.c +++ b/target/s390x/tcg/translate.c @@ -392,7 +392,6 @@ static int get_mem_index(DisasContext *s) return MMU_HOME_IDX; default: g_assert_not_reached(); - break; } #endif }