[PATCH] um: fix confusion irq early reenabling

Fix confusion about call context - comments and code are inconsistent and
plain wrong, my fault.

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Acked-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index 01d4ab6b0ef1..f75d7b05c481 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -370,10 +370,10 @@ static irqreturn_t line_write_interrupt(int irq, void *data)
         struct tty_struct *tty = line->tty;
         int err;
 
-        /* Interrupts are enabled here because we registered the interrupt with
+        /* Interrupts are disabled here because we registered the interrupt with
          * IRQF_DISABLED (see line_setup_irq).*/
 
-        spin_lock_irq(&line->lock);
+        spin_lock(&line->lock);
         err = flush_buffer(line);
         if (err == 0) {
                 return IRQ_NONE;
@@ -381,7 +381,7 @@ static irqreturn_t line_write_interrupt(int irq, void *data)
                 line->head = line->buffer;
                 line->tail = line->buffer;
         }
-        spin_unlock_irq(&line->lock);
+        spin_unlock(&line->lock);
 
         if(tty == NULL)
                 return IRQ_NONE;