From: Randy Dunlap <rdunlap@infradead.org>
To: LKML <linux-kernel@vger.kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Sam Ravnborg <sam@ravnborg.org>
Subject: [PATCH] modpost: detect modules without a MODULE_LICENSE
Date: Sun, 12 Nov 2017 11:21:45 -0800 [thread overview]
Message-ID: <a50ed7a9-bf64-cc13-40be-60279fe6ad9f@infradead.org> (raw)
From: Randy Dunlap <rdunlap@infradead.org>
Partially revert commit 2fa365682943 (kbuild: soften MODULE_LICENSE check)
so that modpost detects modules that do not have a MODULE_LICENSE.
Sam's commit also changed the fatal error to a warning, which I am
leaving as is.
This gives advance notice of when a module has no license and will taint
the kernel if the module is loaded.
This produces the following warnings on x86_64 allmodconfig:
MODPOST 6520 modules
WARNING: modpost: missing MODULE_LICENSE() in drivers/auxdisplay/img-ascii-lcd.o
WARNING: modpost: missing MODULE_LICENSE() in drivers/gpio/gpio-ath79.o
WARNING: modpost: missing MODULE_LICENSE() in drivers/gpio/gpio-iop.o
WARNING: modpost: missing MODULE_LICENSE() in drivers/iio/accel/kxsd9-i2c.o
WARNING: modpost: missing MODULE_LICENSE() in drivers/iio/adc/qcom-vadc-common.o
WARNING: modpost: missing MODULE_LICENSE() in drivers/media/platform/mtk-vcodec/mtk-vcodec-common.o
WARNING: modpost: missing MODULE_LICENSE() in drivers/media/platform/soc_camera/soc_scale_crop.o
WARNING: modpost: missing MODULE_LICENSE() in drivers/mtd/nand/denali_pci.o
WARNING: modpost: missing MODULE_LICENSE() in drivers/net/phy/cortina.o
WARNING: modpost: missing MODULE_LICENSE() in drivers/pinctrl/pxa/pinctrl-pxa2xx.o
WARNING: modpost: missing MODULE_LICENSE() in drivers/power/reset/zx-reboot.o
WARNING: modpost: missing MODULE_LICENSE() in drivers/rpmsg/qcom_glink_native.o
WARNING: modpost: missing MODULE_LICENSE() in drivers/staging/comedi/drivers/ni_atmio.o
WARNING: modpost: missing MODULE_LICENSE() in net/9p/9pnet_xen.o
WARNING: modpost: missing MODULE_LICENSE() in sound/soc/codecs/snd-soc-pcm512x-spi.o
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
---
scripts/mod/modpost.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- lnx-414-rc8.orig/scripts/mod/modpost.c
+++ lnx-414-rc8/scripts/mod/modpost.c
@@ -1963,7 +1963,7 @@ static void read_symbols(char *modname)
}
license = get_modinfo(info.modinfo, info.modinfo_len, "license");
- if (info.modinfo && !license && !is_vmlinux(modname))
+ if (!license && !is_vmlinux(modname))
warn("modpost: missing MODULE_LICENSE() in %s\n"
"see include/linux/module.h for "
"more information\n", modname);
next reply other threads:[~2017-11-12 19:21 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-12 19:21 Randy Dunlap [this message]
2017-11-12 19:33 ` Linus Torvalds
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