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| author | Andrew Morton <akpm@osdl.org> | 2006-08-15 07:43:18 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-09-26 06:08:39 +0200 |
| commit | cebc04ba9aeb3a646cc746300421fc0e5aa4f253 (patch) | |
| tree | a2f47e375960efefd06fd4c3790184f34bd18b6f | |
| parent | add __must_check to device management code (diff) | |
| download | linux-cebc04ba9aeb3a646cc746300421fc0e5aa4f253.tar.xz linux-cebc04ba9aeb3a646cc746300421fc0e5aa4f253.zip | |
add CONFIG_ENABLE_MUST_CHECK
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>
| -rw-r--r-- | include/linux/compiler.h | 5 | ||||
| -rw-r--r-- | lib/Kconfig.debug | 7 |
2 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 9b4f11094937..060b96112ec6 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -99,6 +99,11 @@ extern void __chk_io_ptr(void __iomem *); #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 554ee688a9f8..5c114c3f03c5 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" |