printk: change recursion_bug type to bool

`recursion_bug' is used as recursion_bug toggle, so make it `bool'.

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 08934a3..e794391 100644 (file)
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -1661,7 +1661,7 @@ asmlinkage int vprintk_emit(int facility, int level,
                            const char *dict, size_t dictlen,
                            const char *fmt, va_list args)
 {
-       static int recursion_bug;
+       static bool recursion_bug;
        static char textbuf[LOG_LINE_MAX];
        char *text = textbuf;
        size_t text_len = 0;
@@ -1697,7 +1697,7 @@ asmlinkage int vprintk_emit(int facility, int level,
                 * it can be printed at the next appropriate moment:
                 */
                if (!oops_in_progress && !lockdep_recursing(current)) {
-                       recursion_bug = 1;
+                       recursion_bug = true;
                        local_irq_restore(flags);
                        return 0;
                }
@@ -1712,7 +1712,7 @@ asmlinkage int vprintk_emit(int facility, int level,
                static const char recursion_msg[] =
                        "BUG: recent printk recursion!";
 
-               recursion_bug = 0;
+               recursion_bug = false;
                /* emit KERN_CRIT message */
                printed_len += log_store(0, 2, LOG_PREFIX|LOG_NEWLINE, 0,
                                         NULL, 0, recursion_msg,