linux-kernel - [PATCH v4 2/4] printk: Correct wrong casting

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Message-ID: <1538232529-72706-2-git-send-email-zhe.he@windriver.com>
Date:   Sat, 29 Sep 2018 22:48:47 +0800
From:   <zhe.he@...driver.com>
To:     <pmladek@...e.com>, <sergey.senozhatsky@...il.com>,
        <rostedt@...dmis.org>, <linux-kernel@...r.kernel.org>,
        <zhe.he@...driver.com>
Subject: [PATCH v4 2/4] printk: Correct wrong casting

From: He Zhe <zhe.he@...driver.com>

Correct wrong casting that might cut off the normal output.

Signed-off-by: He Zhe <zhe.he@...driver.com>
Cc: stable@...r.kernel.org
Cc: pmladek@...e.com
Cc: sergey.senozhatsky@...il.com
Cc: rostedt@...dmis.org
---
 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