Makefile: Globally enable fall-through warning

[sfrench/cifs-2.6.git] / Makefile

diff --git a/Makefile b/Makefile
index fd6f7949bc1a3e1c805b2865675a4dedd1db8ce7..bdf8eac51b079f0e4cee09e6d7cda1110e43144b 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
-PATCHLEVEL = 2
+PATCHLEVEL = 3
 SUBLEVEL = 0
-EXTRAVERSION =
+EXTRAVERSION = -rc1
 NAME = Bobtail Squid
 
 # *DOCUMENTATION*
@@ -843,6 +843,9 @@ NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
 # warn about C99 declaration after statement
 KBUILD_CFLAGS += -Wdeclaration-after-statement
 
+# Warn about unmarked fall-throughs in switch statement.
+KBUILD_CFLAGS += $(call cc-option,-Wimplicit-fallthrough=3,)
+
 # Variable Length Arrays (VLAs) should not be used anywhere in the kernel
 KBUILD_CFLAGS += -Wvla