From: Jesper Juhl Date: Sun, 18 Dec 2011 00:05:31 +0000 (+0100) Subject: x86: Use "do { } while(0)" for empty lock_cmos()/unlock_cmos() macros X-Git-Tag: v3.3-rc1~187^2 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1affc46cffad9f2bc7c9ffec85726446903a58f9;p=pandora-kernel.git x86: Use "do { } while(0)" for empty lock_cmos()/unlock_cmos() macros gcc noticed (when using -Wempty-body) that our use of lock_cmos() and unlock_cmos() in arch/x86/include/asm/mach_traps.h is potentially problematic : arch/x86/include/asm/mach_traps.h:32:15: warning: suggest braces around empty body in an ¡else¢ statement [-Wempty-body] arch/x86/include/asm/mach_traps.h:40:16: warning: suggest braces around empty body in an ¡else¢ statement [-Wempty-body] Let's just use the standard 'do {} while (0)' solution. That shuts up gcc and also prevents future problems if the macros should end up being used in a similar situation elsewhere. Signed-off-by: Jesper Juhl Link: http://lkml.kernel.org/r/alpine.LNX.2.00.1112180103130.21784@swampdragon.chaosbits.net Signed-off-by: Ingo Molnar --- Reading git-diff-tree failed