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-rw-r--r--scripts/Makefile.extrawarn3
-rw-r--r--scripts/Makefile.ubsan4
2 files changed, 7 insertions, 0 deletions
diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn
index 53449a6ff6aa..7fc2c5a3dbbe 100644
--- a/scripts/Makefile.extrawarn
+++ b/scripts/Makefile.extrawarn
@@ -36,6 +36,7 @@ warning-2 += -Wshadow
warning-2 += $(call cc-option, -Wlogical-op)
warning-2 += $(call cc-option, -Wmissing-field-initializers)
warning-2 += $(call cc-option, -Wsign-compare)
+warning-2 += $(call cc-option, -Wmaybe-uninitialized)
warning-3 := -Wbad-function-cast
warning-3 += -Wcast-qual
@@ -59,6 +60,8 @@ endif
KBUILD_CFLAGS += $(warning)
else
+KBUILD_CFLAGS += $(call cc-disable-warning, maybe-uninitialized)
+
ifeq ($(cc-name),clang)
KBUILD_CFLAGS += $(call cc-disable-warning, initializer-overrides)
KBUILD_CFLAGS += $(call cc-disable-warning, unused-value)
diff --git a/scripts/Makefile.ubsan b/scripts/Makefile.ubsan
index dd779c40c8e6..3b1b13818d59 100644
--- a/scripts/Makefile.ubsan
+++ b/scripts/Makefile.ubsan
@@ -17,4 +17,8 @@ endif
ifdef CONFIG_UBSAN_NULL
CFLAGS_UBSAN += $(call cc-option, -fsanitize=null)
endif
+
+ # -fsanitize=* options makes GCC less smart than usual and
+ # increase number of 'maybe-uninitialized false-positives
+ CFLAGS_UBSAN += $(call cc-option, -Wno-maybe-uninitialized)
endif