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Date: Tue, 29 Jul 2008 22:28:12 -0700 From: David Brownell <david-b@...bell.net> To: linux-mtd@...ts.infradead.org, dwmw2@...radead.org, akpm@...ux-foundation.org Cc: michael.hennerich@...log.com, linux-kernel@...r.kernel.org, cooloney@...nel.org Subject: [PATCH 2.6.26-git] MTD_DEBUG always does compile-time typechecks From: David Brownell <dbrownell@...rs.sourceforge.net> The current style for debug messages is to ensure they're always parsed by the compiler and then subjected to dead code removal. That way builds won't break only when debug options get enabled, which is common when they are stripped out early by CPP. This patch makes CONFIG_MTD_DEBUG adopt that convention. Signed-off-by: David Brownell <dbrownell@...rs.sourceforge.net> --- include/linux/mtd/mtd.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) --- a/include/linux/mtd/mtd.h 2008-07-29 22:06:43.000000000 -0700 +++ b/include/linux/mtd/mtd.h 2008-07-29 22:19:21.000000000 -0700 @@ -272,7 +272,11 @@ static inline void mtd_erase_callback(st printk(KERN_INFO args); \ } while(0) #else /* CONFIG_MTD_DEBUG */ -#define DEBUG(n, args...) do { } while(0) +#define DEBUG(n, args...) \ + do { \ + if (0) \ + printk(KERN_INFO args); \ + } while(0) #endif /* CONFIG_MTD_DEBUG */ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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