@@ -868,8 +868,10 @@ int stm_register_device(struct device *parent, struct stm_data *stm_data,
return -ENOMEM;
stm->major = register_chrdev(0, stm_data->name, &stm_fops);
- if (stm->major < 0)
- goto err_free;
+ if (stm->major < 0) {
+ vfree(stm);
+ return err;
+ }
device_initialize(&stm->dev);
stm->dev.devt = MKDEV(stm->major, 0);
@@ -915,8 +917,6 @@ int stm_register_device(struct device *parent, struct stm_data *stm_data,
/* matches device_initialize() above */
put_device(&stm->dev);
-err_free:
- vfree(stm);
return err;
}
In the error path of stm_register_device(), the kfree is unnecessary, as the put_device() before it ends up calling stm_device_release() to free stm_device. Fixes: 7bd1d4093c2fa ("stm class: Introduce an abstraction for System Trace Module devices") Signed-off-by: Wen Yang <wenyang@linux.alibaba.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Alexandre Torgue <alexandre.torgue@st.com> Cc: linux-stm32@st-md-mailman.stormreply.com Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- drivers/hwtracing/stm/core.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)