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Subject: media: lirc: release lock before sleep Author: Sean Young <[email protected]> Date: Wed Dec 13 16:30:22 2017 -0500 There is no reason to hold the lock while we wait for the IR to transmit. Reported-by: Dan Carpenter <[email protected]> Signed-off-by: Sean Young <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/rc/lirc_dev.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) --- diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c index 1fc1fd665bce..713d42e4b661 100644 --- a/drivers/media/rc/lirc_dev.c +++ b/drivers/media/rc/lirc_dev.c @@ -347,6 +347,10 @@ static ssize_t ir_lirc_transmit_ir(struct file *file, const char __user *buf, if (ret < 0) goto out_kfree; + kfree(txbuf); + kfree(raw); + mutex_unlock(&dev->lock); + /* * The lircd gap calculation expects the write function to * wait for the actual IR signal to be transmitted before @@ -359,7 +363,7 @@ static ssize_t ir_lirc_transmit_ir(struct file *file, const char __user *buf, schedule_timeout(usecs_to_jiffies(towait)); } - ret = n; + return n; out_kfree: kfree(txbuf); kfree(raw); _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
