[PATCH v2 3/4] printk: use a clever macro
From: Alex Elder
Date: Thu Jul 10 2014 - 09:01:36 EST
Use the IS_ENABLED() macro rather than #ifdef blocks to set certain
global values.
Signed-off-by: Alex Elder <elder@xxxxxxxxxx>
Acked-by: Borislav Petkov <bp@xxxxxxx>
Reviewed-by: Petr Mladek <pmladek@xxxxxxx>
---
kernel/printk/printk.c | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 646146c..6f75e8a 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -453,11 +453,7 @@ static int log_store(int facility, int level,
return msg->text_len;
}
-#ifdef CONFIG_SECURITY_DMESG_RESTRICT
-int dmesg_restrict = 1;
-#else
-int dmesg_restrict;
-#endif
+int dmesg_restrict = IS_ENABLED(CONFIG_SECURITY_DMESG_RESTRICT);
static int syslog_action_restricted(int type)
{
@@ -947,11 +943,7 @@ static inline void boot_delay_msec(int level)
}
#endif
-#if defined(CONFIG_PRINTK_TIME)
-static bool printk_time = 1;
-#else
-static bool printk_time;
-#endif
+static bool printk_time = IS_ENABLED(CONFIG_PRINTK_TIME);
module_param_named(time, printk_time, bool, S_IRUGO | S_IWUSR);
static size_t print_time(u64 ts, char *buf)
--
1.9.1
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