# git rev-parse -q --verify 7eeb18a4da1ebbdb8e9583aa28c2965584ad7dab^{commit} 7eeb18a4da1ebbdb8e9583aa28c2965584ad7dab already have revision, skipping fetch # git checkout -q -f -B kisskb 7eeb18a4da1ebbdb8e9583aa28c2965584ad7dab # git clean -qxdf # < git log -1 # commit 7eeb18a4da1ebbdb8e9583aa28c2965584ad7dab # Author: Vaibhav Jain # Date: Wed Jul 4 20:58:33 2018 +0530 # # cxl: Fix wrong comparison in cxl_adapter_context_get() # # Function atomic_inc_unless_negative() returns a bool to indicate # success/failure. However cxl_adapter_context_get() wrongly compares # the return value against '>=0' which will always be true. The patch # fixes this comparison to '==0' there by also fixing this compile time # warning: # # drivers/misc/cxl/main.c:290 cxl_adapter_context_get() # warn: 'atomic_inc_unless_negative(&adapter->contexts_num)' is unsigned # # Fixes: 70b565bbdb91 ("cxl: Prevent adapter reset if an active context exists") # Cc: stable@vger.kernel.org # v4.9+ # Reported-by: Dan Carpenter # Signed-off-by: Vaibhav Jain # Acked-by: Andrew Donnellan # Acked-by: Frederic Barrat # Signed-off-by: Michael Ellerman # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < git log --format=%s --max-count=1 7eeb18a4da1ebbdb8e9583aa28c2965584ad7dab # < make -s -j 20 ARCH=powerpc O=/kisskb/build/powerpc-next_corenet64_smp_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- corenet64_smp_defconfig # make -s -j 20 ARCH=powerpc O=/kisskb/build/powerpc-next_corenet64_smp_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter. /kisskb/src/kernel/cgroup/cgroup-v1.c: In function 'cgroup1_mount': /kisskb/src/kernel/cgroup/cgroup-v1.c:1256:20: warning: 'root' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter. /kisskb/src/net/core/rtnetlink.c: In function 'rtnl_newlink': /kisskb/src/net/core/rtnetlink.c:3099:1: warning: the frame size of 1232 bytes is larger than 1024 bytes [-Wframe-larger-than=] /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_raw_read': /kisskb/src/drivers/base/regmap/regmap.c:2497:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write': /kisskb/src/drivers/base/regmap/regmap.c:1819:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/hugetlb.c: In function 'alloc_pool_huge_page': /kisskb/src/mm/hugetlb.c:1433:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c: In function 'proc_reg_open': /kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:339:21: note: 'pdeo' was declared here /kisskb/src/fs/udf/unicode.c: In function 'udf_name_conv_char': /kisskb/src/fs/udf/unicode.c:132:8: warning: 'c' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq': /kisskb/src/drivers/tty/serial/8250/8250_core.c:251:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c:231:19: note: 'i' was declared here WARNING: vmlinux.o (.PPC.EMB.apuinfo): unexpected non-allocatable section. Did you forget to use "ax"/"aw" in a .S file? Note that for example contains section definitions for use in .S files. INFO: Uncompressed kernel (size 0xf24780) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x1000000) Image Name: Linux-4.18.0-rc3-g7eeb18a Created: Thu Jul 19 19:18:55 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6376619 Bytes = 6227.17 kB = 6.08 MB Load Address: 00000000 Entry Point: 00000000 Completed OK # rm -rf /kisskb/build/powerpc-next_corenet64_smp_defconfig_powerpc # Build took: 0:02:00.416446