diff options
| author | Dan Carpenter | 2010-04-06 23:34:50 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2010-04-07 17:38:03 +0200 |
| commit | c6eb69acfdfe258b4a3f69fa5ced8928bbebdba9 (patch) | |
| tree | 8b75d0832f9eb7abdb0ba708ad08ad180ec61759 /drivers/char/mxser.c | |
| parent | omap hsmmc: fix a bug in card remove scenario (diff) | |
| download | kernel-qcow2-linux-c6eb69acfdfe258b4a3f69fa5ced8928bbebdba9.tar.gz kernel-qcow2-linux-c6eb69acfdfe258b4a3f69fa5ced8928bbebdba9.tar.xz kernel-qcow2-linux-c6eb69acfdfe258b4a3f69fa5ced8928bbebdba9.zip | |
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.
[akpm@linux-foundation.org: fix the MOXA_ASPP_MON case too (per Jiri)]
Signed-off-by: Dan Carpenter <error27@gmail.com>
Cc: Jiri Slaby <jirislaby@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/mxser.c')
| -rw-r--r-- | drivers/char/mxser.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c index 95c9f54f3d30..47023053ee85 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); @@ -1778,12 +1778,12 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file, case MOXA_ASPP_MON: { int mcr, status; - spin_lock(&info->slock); + spin_lock_irq(&info->slock); status = mxser_get_msr(info->ioaddr, 1, tty->index); mxser_check_modem_status(tty, info, status); mcr = inb(info->ioaddr + UART_MCR); - spin_unlock(&info->slock); + spin_unlock_irq(&info->slock); if (mcr & MOXA_MUST_MCR_XON_FLAG) info->mon_data.hold_reason &= ~NPPI_NOTIFY_XOFFHOLD; |