[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>

diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index 01d4ab6..f75d7b0 100644 (file)
--- 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;