4.4-stable review patch. If anyone has any objections, please let me know.
------------------
[ Upstream commit cbe4a61d1ddc4790d950ca8c33ef79ee68ef5e2b ]
Currently, the error path of stm_register_device() forgets to unregister
the chrdev. Fix this.
Reported-by: Alan Cox <alan....@intel.com>
Signed-off-by: Alexander Shishkin <alexander.shish...@linux.intel.com>
Reviewed-by: Laurent Fert <laurent.f...@intel.com>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
drivers/hwtracing/stm/core.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/hwtracing/stm/core.c b/drivers/hwtracing/stm/core.c
index 03b34dcff7f2..0c7f0bae001a 100644
--- a/drivers/hwtracing/stm/core.c
+++ b/drivers/hwtracing/stm/core.c
@@ -686,6 +686,8 @@ int stm_register_device(struct device *parent, struct
stm_data *stm_data,
return 0;
err_device:
+ unregister_chrdev(stm->major, stm_data->name);
+
/* matches device_initialize() above */
put_device(&stm->dev);
err_free:
--
2.19.1
