4.4-stable review patch. If anyone has any objections, please let me know.
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[ Upstream commit cbe4a61d1ddc4790d950ca8c33ef79ee68ef5e2b ]
Currently, the error path of stm_register_device() forgets to unregister the chrdev. Fix this.
Reported-by: Alan Cox alan.cox@intel.com Signed-off-by: Alexander Shishkin alexander.shishkin@linux.intel.com Reviewed-by: Laurent Fert laurent.fert@intel.com Signed-off-by: Sasha Levin sashal@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: