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author | Sean Young <sean@mess.org> | 2017-12-13 22:30:22 +0100 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-12-18 21:22:24 +0100 |
commit | f81a8158d4fb9cbbd6413adf4b220d6dcf327c40 (patch) | |
tree | a778211e6d8cf329e1662302dcf05b9373228a60 /drivers/media/rc/lirc_dev.c | |
parent | media: lirc: no need to recalculate duration (diff) | |
download | linux-f81a8158d4fb9cbbd6413adf4b220d6dcf327c40.tar.xz linux-f81a8158d4fb9cbbd6413adf4b220d6dcf327c40.zip |
media: lirc: release lock before sleep
There is no reason to hold the lock while we wait for the IR to transmit.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/rc/lirc_dev.c')
-rw-r--r-- | drivers/media/rc/lirc_dev.c | 6 |
1 files changed, 5 insertions, 1 deletions
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); |