Re: [PATCH v2] rapidio: fix an API misues when rio_add_net() fails

On Thu, Feb 27, 2025 at 03:34:09PM +0800, Haoxiang Li wrote:

rio_add_net() calls device_register() and fails when device_register() fails. Thus, put_device() should be used rather than kfree(). Add "mport->net = NULL;" to avoid a use after free issue.

Fixes: e8de370188d0 ("rapidio: add mport char device driver") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li haoxiang_li2024@163.com

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Changes in v2:

• Add "mport->net = NULL;" to avoid a use after free issue. Thanks, Dan!

Thank you!

Reviewed-by: Dan Carpenter dan.carpenter@linaro.org

regards, dan carpenter