# git rev-parse -q --verify fde46ba593df92c4d787d2cc35a11f46583c89a6^{commit} fde46ba593df92c4d787d2cc35a11f46583c89a6 already have revision, skipping fetch # git checkout -q -f -B kisskb fde46ba593df92c4d787d2cc35a11f46583c89a6 # git clean -qxdf # < git log -1 # commit fde46ba593df92c4d787d2cc35a11f46583c89a6 # Author: Nathan Chancellor # Date: Mon Jun 3 15:11:58 2019 -0700 # # PCI: rpaphp: Avoid a sometimes-uninitialized warning # # When building with -Wsometimes-uninitialized, clang warns: # # drivers/pci/hotplug/rpaphp_core.c:243:14: warning: variable 'fndit' is # used uninitialized whenever 'for' loop exits because its condition is # false [-Wsometimes-uninitialized] # for (j = 0; j < entries; j++) { # ^~~~~~~~~~~ # drivers/pci/hotplug/rpaphp_core.c:256:6: note: uninitialized use occurs # here # if (fndit) # ^~~~~ # drivers/pci/hotplug/rpaphp_core.c:243:14: note: remove the condition if # it is always true # for (j = 0; j < entries; j++) { # ^~~~~~~~~~~ # drivers/pci/hotplug/rpaphp_core.c:233:14: note: initialize the variable # 'fndit' to silence this warning # int j, fndit; # ^ # = 0 # # fndit is only used to gate a sprintf call, which can be moved into the # loop to simplify the code and eliminate the local variable, which will # fix this warning. # # Fixes: 2fcf3ae508c2 ("hotplug/drc-info: Add code to search ibm,drc-info property") # Suggested-by: Nick Desaulniers # Signed-off-by: Nathan Chancellor # Acked-by: Tyrel Datwyler # Acked-by: Joel Savitz # Signed-off-by: Michael Ellerman # Link: https://github.com/ClangBuiltLinux/linux/issues/504 # Link: https://lore.kernel.org/r/20190603221157.58502-1-natechancellor@gmail.com # < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-gcc --version # < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-ld --version # < git log --format=%s --max-count=1 fde46ba593df92c4d787d2cc35a11f46583c89a6 # < make -s -j 48 ARCH=arm64 O=/kisskb/build/powerpc-next_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- defconfig # make -s -j 48 ARCH=arm64 O=/kisskb/build/powerpc-next_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- arch/arm64/Makefile:27: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum arch/arm64/Makefile:38: LSE atomics not supported by binutils arch/arm64/Makefile:56: CROSS_COMPILE_COMPAT not defined or empty, the compat vDSO will not be built /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c: In function 'sh_mobile_i2c_isr': /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:399:26: warning: 'data' may be used uninitialized in this function [-Wmaybe-uninitialized] pd->msg->buf[real_pos] = data; ^ /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:372:16: note: 'data' was declared here unsigned char data; ^ In file included from /kisskb/src/include/linux/irqflags.h:16:0, from /kisskb/src/include/linux/spinlock.h:54, from /kisskb/src/include/linux/rwsem.h:16, from /kisskb/src/include/linux/notifier.h:15, from /kisskb/src/include/linux/clk.h:14, from /kisskb/src/drivers/tty/serial/sh-sci.c:24: /kisskb/src/drivers/tty/serial/sh-sci.c: In function 'sci_dma_rx_submit': /kisskb/src/arch/arm64/include/asm/irqflags.h:120:2: warning: 'flags' may be used uninitialized in this function [-Wmaybe-uninitialized] asm volatile(ALTERNATIVE( ^ /kisskb/src/drivers/tty/serial/sh-sci.c:1353:16: note: 'flags' was declared here unsigned long flags; ^ Completed OK # rm -rf /kisskb/build/powerpc-next_arm64-defconfig_arm64-gcc5.4 # Build took: 0:04:23.759052