um: line->have_irq is never checked...

looks like a half-arsed duplicate of line->enabled

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>

diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index c1aa89c..08f6393 100644 (file)
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -383,7 +383,6 @@ int line_setup_irq(int fd, int input, int output, struct line *line, void *data)
                err = um_request_irq(driver->write_irq, fd, IRQ_WRITE,
                                        line_write_interrupt, flags,
                                        driver->write_irq_name, data);
-       line->have_irq = 1;
        return err;
 }
 

diff --git a/arch/um/drivers/line.h b/arch/um/drivers/line.h
index 6cb05a2..0a18347 100644 (file)
--- a/arch/um/drivers/line.h
+++ b/arch/um/drivers/line.h
@@ -56,7 +56,6 @@ struct line {
        int sigio;
        struct delayed_work task;
        const struct line_driver *driver;
-       int have_irq;
 };
 
 extern void line_close(struct tty_struct *tty, struct file * filp);