[PATCH] kernel/printk.c: Fixed mundane typos

[Bhaskar Chowdhury <unixbhaskar@gmail.com>]

s/sempahore/semaphore/
s/exacly/exactly/
s/unregistred/unregistered/
s/interation/iteration/


Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
---
 kernel/printk/printk.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 575a34b88936..95d31886e0d7 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -262,7 +262,7 @@ static void __up_console_sem(unsigned long ip)
  * definitely not the perfect debug tool (we don't know if _WE_
  * hold it and are racing, but it helps tracking those weird code
  * paths in the console code where we end up in places I want
- * locked without the console sempahore held).
+ * locked without the console semaphore held).
  */
 static int console_locked, console_suspended;

@@ -2262,7 +2262,7 @@ static int __init console_setup(char *str)
 	/*
 	 * console="" or console=null have been suggested as a way to
 	 * disable console output. Use ttynull that has been created
-	 * for exacly this purpose.
+	 * for exactly this purpose.
 	 */
 	if (str[0] == 0 || strcmp(str, "null") == 0) {
 		__add_preferred_console("ttynull", 0, NULL, NULL, true);
@@ -3042,7 +3042,7 @@ void __init console_init(void)
  *
  * To mitigate this problem somewhat, only unregister consoles whose memory
  * intersects with the init section. Note that all other boot consoles will
- * get unregistred when the real preferred console is registered.
+ * get unregistered when the real preferred console is registered.
  */
 static int __init printk_late_init(void)
 {
@@ -3467,7 +3467,7 @@ bool kmsg_dump_get_buffer(struct kmsg_dumper *dumper, bool syslog,
 		seq = r.info->seq + 1;
 	}

-	/* last message in next interation */
+	/* last message in next iteration */
 	next_seq = seq;

 	/* actually read text into the buffer now */
--
2.26.2