Messages in this thread Patch in this message | | | From | Greg KH <> | Subject | [PATCH 38/47] add CONFIG_ENABLE_MUST_CHECK | Date | Mon, 25 Sep 2006 22:37:58 -0700 |
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From: Andrew Morton <akpm@osdl.org>
Those 1500 warnings can be a bit of a pain. Add a config option to shut them up.
Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> --- include/linux/compiler.h | 5 +++++ lib/Kconfig.debug | 7 +++++++ 2 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 9b4f110..060b961 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -99,6 +99,11 @@ #ifndef __must_check #define __must_check #endif +#ifndef CONFIG_ENABLE_MUST_CHECK +#undef __must_check +#define __must_check +#endif + /* * Allow us to avoid 'defined but not used' warnings on functions and data, * as well as force them to be emitted to the assembly file. diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 554ee68..5c114c3 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -8,6 +8,13 @@ config PRINTK_TIME operations. This is useful for identifying long delays in kernel startup. +config ENABLE_MUST_CHECK + bool "Enable __must_check logic" + default y + help + Enable the __must_check logic in the kernel build. Disable this to + suppress the "warning: ignoring return value of 'foo', declared with + attribute warn_unused_result" messages. config MAGIC_SYSRQ bool "Magic SysRq key" -- 1.4.2.1 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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