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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>
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@ -347,6 +347,10 @@ static ssize_t ir_lirc_transmit_ir(struct file *file, const char __user *buf,
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if (ret < 0)
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goto out_kfree;
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kfree(txbuf);
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kfree(raw);
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mutex_unlock(&dev->lock);
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/*
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* The lircd gap calculation expects the write function to
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* wait for the actual IR signal to be transmitted before
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@ -359,7 +363,7 @@ static ssize_t ir_lirc_transmit_ir(struct file *file, const char __user *buf,
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schedule_timeout(usecs_to_jiffies(towait));
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}
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ret = n;
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return n;
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out_kfree:
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kfree(txbuf);
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kfree(raw);
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