Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | Date | Thu, 1 Apr 2010 18:51:43 +0300 | From | Dan Carpenter <> | Subject | [patch] mxser: spin_lock() => spin_lock_irq() |
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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@gmail.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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