tuntap: add sanity checks about msg_controllen in sendmsg

[mirror_ubuntu-focal-kernel.git] / Makefile

diff --git a/Makefile b/Makefile
index 2896e12ef3f16b82727f38f6664c55a452bb5bc3..4546062e770d9233ae3a07cf3b68c45a15ae7b0e 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 4
-SUBLEVEL = 97
+SUBLEVEL = 188
 EXTRAVERSION =
 NAME = Kleptomaniac Octopus
 
@@ -792,16 +792,16 @@ KBUILD_CFLAGS += -Wno-tautological-compare
 KBUILD_CFLAGS += -mno-global-merge
 else
 
-# These warnings generated too much noise in a regular build.
-# Use make W=1 to enable them (see scripts/Makefile.extrawarn)
-KBUILD_CFLAGS += -Wno-unused-but-set-variable
-
 # Warn about unmarked fall-throughs in switch statement.
 # Disabled for clang while comment to attribute conversion happens and
 # https://github.com/ClangBuiltLinux/linux/issues/636 is discussed.
 KBUILD_CFLAGS += $(call cc-option,-Wimplicit-fallthrough,)
 endif
 
+# These warnings generated too much noise in a regular build.
+# Use make W=1 to enable them (see scripts/Makefile.extrawarn)
+KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable)
+
 KBUILD_CFLAGS += $(call cc-disable-warning, unused-const-variable)
 ifdef CONFIG_FRAME_POINTER
 KBUILD_CFLAGS  += -fno-omit-frame-pointer -fno-optimize-sibling-calls
@@ -964,7 +964,7 @@ LDFLAGS_vmlinux     += $(call ld-option, -X,)
 endif
 
 ifeq ($(CONFIG_RELR),y)
-LDFLAGS_vmlinux        += --pack-dyn-relocs=relr
+LDFLAGS_vmlinux        += --pack-dyn-relocs=relr --use-android-relr-tags
 endif
 
 # make the checker run with the right architecture
@@ -1049,7 +1049,7 @@ HOST_LIBELF_LIBS = $(shell pkg-config libelf --libs 2>/dev/null || echo -lelf)
 
 ifdef CONFIG_STACK_VALIDATION
   has_libelf := $(call try-run,\
-               echo "int main() {}" | $(HOSTCC) -xc -o /dev/null $(HOST_LIBELF_LIBS) -,1,0)
+               echo "int main() {}" | $(HOSTCC) $(KBUILD_HOSTLDFLAGS) -xc -o /dev/null $(HOST_LIBELF_LIBS) -,1,0)
   ifeq ($(has_libelf),1)
     objtool_target := tools/objtool FORCE
   else
@@ -1202,11 +1202,19 @@ define filechk_utsrelease.h
 endef
 
 define filechk_version.h
-       echo \#define LINUX_VERSION_CODE $(shell                         \
-       expr $(VERSION) \* 65536 + 0$(PATCHLEVEL) \* 256 + 0$(SUBLEVEL)); \
-       echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))'
+       if [ $(SUBLEVEL) -gt 255 ]; then                                 \
+               echo \#define LINUX_VERSION_CODE $(shell                 \
+               expr $(VERSION) \* 65536 + $(PATCHLEVEL) \* 256 + 255); \
+       else                                                             \
+               echo \#define LINUX_VERSION_CODE $(shell                 \
+               expr $(VERSION) \* 65536 + $(PATCHLEVEL) \* 256 + $(SUBLEVEL)); \
+       fi;                                                              \
+       echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) +  \
+       ((c) > 255 ? 255 : (c)))'
 endef
 
+$(version_h): PATCHLEVEL := $(if $(PATCHLEVEL), $(PATCHLEVEL), 0)
+$(version_h): SUBLEVEL := $(if $(SUBLEVEL), $(SUBLEVEL), 0)
 $(version_h): FORCE
        $(call filechk,version.h)
        $(Q)rm -f $(old_version_h)