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gcc-plugins: disable GCC_PLUGIN_STRUCTLEAK_BYREF_ALL for COMPILE_TEST

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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>
This commit is contained in:
Masahiro Yamada 2018-06-01 13:32:00 +09:00
parent 1658dcee3d
commit caa91ba53e
1 changed files with 1 additions and 0 deletions
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1
arch/Kconfig
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@ -486,6 +486,7 @@ config GCC_PLUGIN_STRUCTLEAK
config GCC_PLUGIN_STRUCTLEAK_BYREF_ALL config GCC_PLUGIN_STRUCTLEAK_BYREF_ALL
bool "Force initialize all struct type variables passed by reference" bool "Force initialize all struct type variables passed by reference"
depends on GCC_PLUGIN_STRUCTLEAK depends on GCC_PLUGIN_STRUCTLEAK
depends on !COMPILE_TEST
help help
Zero initialize any struct type local variable that may be passed by Zero initialize any struct type local variable that may be passed by
reference without having been initialized. reference without having been initialized.