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authorHe Zhe <zhe.he@windriver.com>2018-09-30 00:45:51 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-11-24 08:20:24 +0100
commit799c98cba0713ddd91697a2a8fc1d551fb22101a (patch)
treeb6a74a67095339984e5eb0254d8bcb44a43165f2 /kernel/printk
parente7ff1141b60cc2f852621035a1da95e89341911f (diff)
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printk: Correct wrong casting
[ Upstream commit 51a72ab7372d85c96104e58036f1b49ba11e5d2b ] log_first_seq and console_seq are 64-bit unsigned integers. Correct a wrong casting that might cut off the output. Link: http://lkml.kernel.org/r/1538239553-81805-2-git-send-email-zhe.he@windriver.com Cc: rostedt@goodmis.org Cc: linux-kernel@vger.kernel.org Signed-off-by: He Zhe <zhe.he@windriver.com> [sergey.senozhatsky@gmail.com: More descriptive commit message] Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'kernel/printk')
-rw-r--r--kernel/printk/printk.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 11d70fd15e70..52390f5a1db1 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -2358,8 +2358,9 @@ again:
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;