From: Heiner Kallweit hkallweit1@gmail.com
commit 4891486fb2c80eaf3bb0f9eb065d15ecd357702f upstream.
Commit "reset: make optional functions really optional" missed to adjust one check in reset_control_put, causing a NULL pointer access for optional resets.
Fixes: bb475230b8e5 "reset: make optional functions really optional" Signed-off-by: Heiner Kallweit hkallweit1@gmail.com Signed-off-by: Philipp Zabel p.zabel@pengutronix.de --- drivers/reset/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/reset/core.c b/drivers/reset/core.c index 75821417b799..f62f57ebc45a 100644 --- a/drivers/reset/core.c +++ b/drivers/reset/core.c @@ -358,7 +358,7 @@ EXPORT_SYMBOL_GPL(__of_reset_control_get);
void reset_control_put(struct reset_control *rstc) { - if (IS_ERR(rstc)) + if (IS_ERR_OR_NULL(rstc)) return;
mutex_lock(&reset_list_mutex);