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>

2 files changed, 0 insertions, 2 deletions

diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index c1aa89cefaec..08f63930da8b 100644
--- 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 6cb05a22e9b0..0a1834719dba 100644
--- 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);