[PATCH v3 1/6] printk: sysctl: use unsigned int for printk_delay

[Andrew Murray]

As the printk_delay sysctl represents a duration in milliseconds,
let's set its type to be unsigned int.

Signed-off-by: Andrew Murray <amurray at thegoodpenguin.co.uk>
---
 include/linux/printk.h | 2 +-
 kernel/printk/printk.c | 4 ++--
 kernel/printk/sysctl.c | 4 ++--
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/linux/printk.h b/include/linux/printk.h
index f594c1266bfd411f2238b45374e8a71222f0407c..ea52dc72b73b64898f82a0319b01c27323b18dee 100644
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -188,7 +188,7 @@ extern int __printk_ratelimit(const char *func);
 extern bool printk_timed_ratelimit(unsigned long *caller_jiffies,
 				   unsigned int interval_msec);
 
-extern int printk_delay_msec;
+extern unsigned int printk_delay_msec;
 extern int dmesg_restrict;
 
 extern void wake_up_klogd(void);
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 2fe9a963c823a41e7df10c29939a2abb55462859..31aabdf8248cc39c54ee11685d4a37deac1c174c 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -2117,14 +2117,14 @@ static u8 *__printk_recursion_counter(void)
 		local_irq_restore(flags);		\
 	} while (0)
 
-int printk_delay_msec __read_mostly;
+unsigned int printk_delay_msec __read_mostly;
 
 static inline void printk_delay(int level)
 {
 	boot_delay_msec(level);
 
 	if (unlikely(printk_delay_msec)) {
-		int m = printk_delay_msec;
+		unsigned int m = printk_delay_msec;
 
 		while (m--) {
 			mdelay(1);
diff --git a/kernel/printk/sysctl.c b/kernel/printk/sysctl.c
index f15732e93c2e9c0865c42e4af9cb6458d4402c0a..56c3db63b3f8c6c5fddc4e4de1f41c6102f0f4b1 100644
--- a/kernel/printk/sysctl.c
+++ b/kernel/printk/sysctl.c
@@ -44,9 +44,9 @@ static const struct ctl_table printk_sysctls[] = {
 	{
 		.procname	= "printk_delay",
 		.data		= &printk_delay_msec,
-		.maxlen		= sizeof(int),
+		.maxlen		= sizeof(unsigned int),
 		.mode		= 0644,
-		.proc_handler	= proc_dointvec_minmax,
+		.proc_handler	= proc_douintvec_minmax,
 		.extra1		= SYSCTL_ZERO,
 		.extra2		= (void *)&ten_thousand,
 	},

-- 
2.34.1