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Date: Fri, 16 Jun 2023 21:54:55 +0800 Message-Id: <20230616135455.1985-1-zhaojh329@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230616131246.41989-1-zhaojh329@gmail.com> References: <20230616131246.41989-1-zhaojh329@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >+ struct phy_c45_devid_attribute *devattr = >+ container_of(attr, struct phy_c45_devid_attribute, attr); >+ struct phy_c45_devid_attribute *devattr = >+ (struct phy_c45_devid_attribute *)container_of(attr, struct device_attribute, attr); The two conversions is not same. One is convert "struct device_attribute" to "struct phy_c45_devid_attribute", and another one is convert "struct attribute" to "struct phy_c45_devid_attribute". The second one must cast "struct device_attribute" returned from container_of to "struct phy_c45_devid_attribute".