[PATCH v5 2/4] printk: Correct wrong casting

From: zhe.he
Date: Sat Sep 29 2018 - 12:47:30 EST


From: He Zhe <zhe.he@xxxxxxxxxxxxx>

Correct wrong casting that might cut off the normal output.

Signed-off-by: He Zhe <zhe.he@xxxxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Cc: pmladek@xxxxxxxx
Cc: sergey.senozhatsky@xxxxxxxxx
Cc: rostedt@xxxxxxxxxxx
---
kernel/printk/printk.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 06045ab..c9a0be3 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -2356,8 +2356,9 @@ void console_unlock(void)
printk_safe_enter_irqsave(flags);
raw_spin_lock(&logbuf_lock);
if (console_seq < log_first_seq) {
- len = sprintf(text, "** %u printk messages dropped **\n",
- (unsigned)(log_first_seq - console_seq));
+ len = sprintf(text,
+ "** %llu printk messages dropped **\n",
+ log_first_seq - console_seq);

/* messages are gone, move to first one */
console_seq = log_first_seq;
--
2.7.4