diff options
| author | Sean Young <sean@mess.org> | 2017-01-20 15:10:11 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-01-31 12:32:27 +0300 |
| commit | 7cebf2ee8b7e39c06c93b593b0848a7baf9e73a8 (patch) | |
| tree | e19d4f2950663d328c8a9364dc67980245f685be | |
| parent | f348b4d323a67a5639ccbd3de5add5383573e4a5 (diff) | |
| download | linux-7cebf2ee8b7e39c06c93b593b0848a7baf9e73a8.tar.xz | |
[media] lirc: fix null dereference for tx-only devices
tx-only RC devices do not have a receive buffer.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
| -rw-r--r-- | drivers/media/rc/lirc_dev.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c index e0e2297f13d1..0030ce01babc 100644 --- a/drivers/media/rc/lirc_dev.c +++ b/drivers/media/rc/lirc_dev.c @@ -468,7 +468,7 @@ 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) |