This patch is suggested by linus[1], there may be some corner cases which should be considered before merge, and is just for prove PATCH 2. [1]: https://lore.kernel.org/all/CAHk-=wh97QY9fEQUK6zMVQwaQ_JWDvR=R+TxQ_0OYrMHQ+egvQ@xxxxxxxxxxxxxx/ Signed-off-by: Xiaomeng Tong <xiam0nd.tong@xxxxxxxxx> --- Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Makefile b/Makefile index 289ce2be8..84a96ae3c 100644 --- a/Makefile +++ b/Makefile @@ -515,7 +515,7 @@ KBUILD_CFLAGS := -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs \ -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE \ -Werror=implicit-function-declaration -Werror=implicit-int \ -Werror=return-type -Wno-format-security \ - -std=gnu89 + -std=gnu11 -Wno-shift-negative-value KBUILD_CPPFLAGS := -D__KERNEL__ KBUILD_AFLAGS_KERNEL := KBUILD_CFLAGS_KERNEL := -- 2.17.1
