Commit 04592383 authored Oct 26, 2016 by Satyajit Desai

coresight: tmc: fix mutex release



Add proper handling for mutex release when input validation
fails on mem_size attribute.

Change-Id: I190cdb3f3dfe718f19c40f31e82eeb401f9ea37d
Signed-off-by: Satyajit Desai <sadesai@codeaurora.org>

parent 5b7da258

drivers/hwtracing/coresight/coresight-tmc.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1542,8 +1542,8 @@ static ssize_t mem_size_store(struct device *dev,

		mutex_lock(&drvdata->mem_lock);
		if (kstrtoul(buf, 16, &val)) {
		return -EINVAL;
		mutex_unlock(&drvdata->mem_lock);
		return -EINVAL;
		}

		drvdata->mem_size = val;