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UBI: improve checking in debugging prints

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When debugging is disabled, define debugging prints as if (0) printk() to make
sure that the compiler still the format string in debugging messages even if
debugging is disabled.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
This commit is contained in:
Artem Bityutskiy 2011-05-17 12:50:08 +03:00
parent 1426414431
commit 3802243a18
1 changed files with 25 additions and 8 deletions
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33
drivers/mtd/ubi/debug.h
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@ -184,14 +184,31 @@ static inline int ubi_dbg_is_erase_failure(void)
#else
#define ubi_assert(expr) ({})
#define dbg_err(fmt, ...) ({})
#define dbg_msg(fmt, ...) ({})
#define dbg_gen(fmt, ...) ({})
#define dbg_eba(fmt, ...) ({})
#define dbg_wl(fmt, ...) ({})
#define dbg_io(fmt, ...) ({})
#define dbg_bld(fmt, ...) ({})
/* Use "if (0)" to make compiler check arguments even if debugging is off */
#define ubi_assert(expr) do { \
if (0) { \
printk(KERN_CRIT "UBI assert failed in %s at %u (pid %d)\n", \
__func__, __LINE__, current->pid); \
} \
} while (0)
#define dbg_err(fmt, ...) do { \
if (0) \
ubi_err(fmt, ##__VA_ARGS__); \
} while (0)
#define dbg_msg(fmt, ...) do { \
if (0) \
printk(KERN_DEBUG "UBI DBG (pid %d): %s: " fmt "\n", \
current->pid, __func__, ##__VA_ARGS__); \
} while (0)
#define dbg_gen(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
#define dbg_eba(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
#define dbg_wl(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
#define dbg_io(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
#define dbg_bld(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
#define ubi_dbg_dump_stack() ({})
#define ubi_dbg_dump_ec_hdr(ec_hdr) ({})
#define ubi_dbg_dump_vid_hdr(vid_hdr) ({})