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rpmsg: Fix possible refcount leak in rpmsg_register_device_override()
commitd7bd416d35
upstream. rpmsg_register_device_override need to call put_device to free vch when driver_set_override fails. Fix this by adding a put_device() to the error path. Fixes:bb17d110cb
("rpmsg: Fix calling device_lock() on non-initialized device") Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Hangyu Hua <hbh25y@gmail.com> Link: https://lore.kernel.org/r/20220624024120.11576-1-hbh25y@gmail.com Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Lee Jones <lee@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -594,6 +594,7 @@ int rpmsg_register_device_override(struct rpmsg_device *rpdev,
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strlen(driver_override));
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if (ret) {
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dev_err(dev, "device_set_override failed: %d\n", ret);
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put_device(dev);
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return ret;
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}
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}
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