tx-only RC devices do not have a receive buffer.

Signed-off-by: Sean Young <s...@mess.org>
---
 drivers/media/rc/lirc_dev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c
index 7f5d109..18b4dae 100644
--- a/drivers/media/rc/lirc_dev.c
+++ b/drivers/media/rc/lirc_dev.c
@@ -472,7 +472,7 @@ int lirc_dev_fop_open(struct inode *inode, struct file 
*file)
                if (retval) {
                        module_put(cdev->owner);
                        ir->open--;
-               } else {
+               } else if (ir->buf) {
                        lirc_buffer_clear(ir->buf);
                }
                if (ir->task)
-- 
2.9.3

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