linux-kernel - [PATCH 2/7] kmsg: no need to limit the return value of printk

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Message-Id: <1254904787-11323-3-git-send-email-alan-jenkins@tuffmail.co.uk>
Date:	Wed,  7 Oct 2009 09:39:42 +0100
From:	Alan Jenkins <alan-jenkins@...fmail.co.uk>
To:	mingo@...hat.com
Cc:	x86@...nel.org, linux-kernel@...r.kernel.org,
	torvalds@...ux-foundation.org,
	Alan Jenkins <alan-jenkins@...fmail.co.uk>
Subject: [PATCH 2/7] kmsg: no need to limit the return value of printk

Prefixes added by printk() are no longer included in the count of
characters which it returns.

Signed-off-by: Alan Jenkins <alan-jenkins@...fmail.co.uk>
---
 drivers/char/mem.c |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)

diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index a074fce..8599f65 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -852,9 +852,6 @@ static ssize_t kmsg_write(struct file * file, const char __user * buf,
 	if (!copy_from_user(tmp, buf, count)) {
 		tmp[count] = 0;
 		ret = printk("%s", tmp);
-		if (ret > count)
-			/* printk can add a prefix */
-			ret = count;
 	}
 	kfree(tmp);
 	return ret;
-- 
1.6.3.2

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