Messages in this thread Patch in this message | | | From | Masahiro Yamada <> | Subject | [PATCH] gcc-plugins: disable GCC_PLUGIN_STRUCTLEAK_BYREF_ALL for COMPILE_TEST | Date | Fri, 1 Jun 2018 13:51:23 +0900 |
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We have enabled GCC_PLUGINS for COMPILE_TEST, but allmodconfig now produces new warnings.
CC [M] drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.o drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c: In function ‘wlc_phy_workarounds_nphy_rev7’: drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c:16563:1: warning: the frame size of 3128 bytes is larger than 2048 bytes [-Wframe-larger-than=] } ^ drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c: In function ‘wlc_phy_workarounds_nphy_rev3’: drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c:16905:1: warning: the frame size of 2800 bytes is larger than 2048 bytes [-Wframe-larger-than=] } ^ drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c: In function ‘wlc_phy_cal_txiqlo_nphy’: drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c:26033:1: warning: the frame size of 2488 bytes is larger than 2048 bytes [-Wframe-larger-than=] } ^
It looks like GCC_PLUGIN_STRUCTLEAK_BYREF_ALL is causing this. Add "depends on !COMPILE_TEST" to not dirturb the compile test.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Suggested-by: Kees Cook <keescook@chromium.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> ---
arch/Kconfig | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/Kconfig b/arch/Kconfig index e9475d0..e5ff804 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -489,6 +489,7 @@ config GCC_PLUGIN_STRUCTLEAK config GCC_PLUGIN_STRUCTLEAK_BYREF_ALL bool "Force initialize all struct type variables passed by reference" depends on GCC_PLUGIN_STRUCTLEAK + depends on !COMPILE_TEST help Zero initialize any struct type local variable that may be passed by reference without having been initialized. -- 2.7.4
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