linux-kernel - [patch] mxser: spin_lock() => spin_lock

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Message-ID: <20100401155143.GC5265@bicker>
Date:	Thu, 1 Apr 2010 18:51:43 +0300
From:	Dan Carpenter <error27@...il.com>
To:	Jiri Slaby <jirislaby@...il.com>
Cc:	Alan Cox <alan@...ux.intel.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alexey Dobriyan <adobriyan@...il.com>,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [patch] mxser: spin_lock() => spin_lock_irq()

This should be spin_lock_irq() to match the spin_unlock_irq().
Originally it was a lock_kernel() but we switched everything to
spin_lock_irq() last November.

Signed-off-by: Dan Carpenter <error27@...il.com>

diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index e0c5d2a..ecb2d8b 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -1768,7 +1768,7 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file,
 		int len, lsr;
 
 		len = mxser_chars_in_buffer(tty);
-		spin_lock(&info->slock);
+		spin_lock_irq(&info->slock);
 		lsr = inb(info->ioaddr + UART_LSR) & UART_LSR_THRE;
 		spin_unlock_irq(&info->slock);
 		len += (lsr ? 0 : 1);
--
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