android/android_kernel_xiaomi_sm8450
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[media] lirc: fix null dereference for tx-only devices

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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>
This commit is contained in:
Sean Young 2017-01-20 10:10:11 -02:00 committed by Mauro Carvalho Chehab
parent f348b4d323
commit 7cebf2ee8b
1 changed files with 1 additions and 1 deletions
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drivers/media/rc/lirc_dev.c
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@ -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)