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-rw-r--r--drivers/clk/clkdev.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/clk/clkdev.c b/drivers/clk/clkdev.c
index 8c4435c53f09..6e787cc9e5b9 100644
--- a/drivers/clk/clkdev.c
+++ b/drivers/clk/clkdev.c
@@ -46,6 +46,8 @@ static struct clk_lookup *clk_find(const char *dev_id, const char *con_id)
if (con_id)
best_possible += 1;
+ lockdep_assert_held(&clocks_mutex);
+
list_for_each_entry(p, &clocks, node) {
match = 0;
if (p->dev_id) {
@@ -402,7 +404,10 @@ void devm_clk_release_clkdev(struct device *dev, const char *con_id,
struct clk_lookup *cl;
int rval;
+ mutex_lock(&clocks_mutex);
cl = clk_find(dev_id, con_id);
+ mutex_unlock(&clocks_mutex);
+
WARN_ON(!cl);
rval = devres_release(dev, devm_clkdev_release,
devm_clk_match_clkdev, cl);