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Commit 9efabc84 authored by Artem Bityutskiy's avatar Artem Bityutskiy
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UBI: do not link debug messages when debugging is disabled 



Michal Marek spotted the same issue in UBIFS and this patch fixes UBI,
see "UBIFS: not build debug messages with CONFIG_UBIFS_FS_DEBUG disabled"

When UBI debugging is disabled, we have debugging messages defined as:

if (0)
	pr_debug()

But pr_debug macro defines data structures with debugging data and makes
the linux binary larger, even though we have "if (0)".

Signed-off-by: default avatarArtem Bityutskiy <artem.bityutskiy@intel.com>
parent 93ee7a93

drivers/mtd/ubi/debug.h

+1 −1
Original line number Diff line number Diff line
@@ -181,7 +181,7 @@ static inline int ubi_dbg_is_erase_failure(const struct ubi_device *ubi) 


#define ubi_dbg_msg(fmt, ...) do {                                           \

	if (0)                                                               \

		pr_debug(fmt "\n", ##__VA_ARGS__);                           \

		printk(KERN_DEBUG fmt "\n", ##__VA_ARGS__);                  \

} while (0)



#define dbg_msg(fmt, ...)  ubi_dbg_msg(fmt, ##__VA_ARGS__)