From 045923835d3073db30f01d62f230aed47037766d Mon Sep 17 00:00:00 2001 From: Satyajit Desai Date: Wed, 26 Oct 2016 18:18:52 -0700 Subject: [PATCH] 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 --- drivers/hwtracing/coresight/coresight-tmc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hwtracing/coresight/coresight-tmc.c b/drivers/hwtracing/coresight/coresight-tmc.c index 766b052ade1d..1d8fb8b8fee8 100644 --- a/drivers/hwtracing/coresight/coresight-tmc.c +++ b/drivers/hwtracing/coresight/coresight-tmc.c @@ -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;