[MTD] fix use after free in register_mtd_blktrans

[safe/jmp/linux-2.6] / Makefile

diff --git a/Makefile b/Makefile
index f607658..a2c2efe 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -347,7 +347,6 @@ KBUILD_CPPFLAGS := -D__KERNEL__
 KBUILD_CFLAGS   := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
                   -fno-strict-aliasing -fno-common \
                   -Werror-implicit-function-declaration
-KBUILD_CFLAGS  += $(call cc-option,-fwrapv)
 KBUILD_AFLAGS   := -D__ASSEMBLY__
 
 # Read KERNELRELEASE from include/config/kernel.release (if it exists)
@@ -567,6 +566,9 @@ KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)
 # disable pointer signed / unsigned warnings in gcc 4.0
 KBUILD_CFLAGS += $(call cc-option,-Wno-pointer-sign,)
 
+# disable invalid "can't wrap" optimzations for signed / pointers
+KBUILD_CFLAGS  += $(call cc-option,-fwrapv)
+
 # Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments
 # But warn user when we do so
 warn-assign = \