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Wysocki" Subject: [PATCH 09/21] driver core: bus: bus_get_kset() cleanup Date: Wed, 8 Feb 2023 12:13:18 +0100 Message-Id: <20230208111330.439504-10-gregkh@linuxfoundation.org> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230208111330.439504-1-gregkh@linuxfoundation.org> References: <20230208111330.439504-1-gregkh@linuxfoundation.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=875; i=gregkh@linuxfoundation.org; h=from:subject; bh=/Jfy0ZR86tMaNpwhqHvCr9+CtBj1NZD8CISYkm9vbio=; b=owGbwMvMwCRo6H6F97bub03G02pJDMmPm6+Hhv5XPJBlmHUrzOXrqpDCqsM9Nscvfryj8WL56m0G 0muCO2JZGASZGGTFFFm+bOM5ur/ikKKXoe1pmDmsTCBDGLg4BWAiXXUMC47eUcp5/fqZyGSVdwevOd 6fMyVR7hvDfN88jmWv5x2RZ7zAqH5eQKao7DlPOwA= X-Developer-Key: i=gregkh@linuxfoundation.org; a=openpgp; fpr=F4B60CC5BF78C2214A313DCB3147D40DDB2DFB29 X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS 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 X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1757261564823330800?= X-GMAIL-MSGID: =?utf-8?q?1757261564823330800?= Convert the bus_get_kset() function function to use bus_to_subsys() and not use the back-pointer to the private structure. Cc: "Rafael J. Wysocki" Signed-off-by: Greg Kroah-Hartman --- drivers/base/bus.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/base/bus.c b/drivers/base/bus.c index deed62509a62..90627c68d02b 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -956,7 +956,16 @@ void bus_notify(struct device *dev, enum bus_notifier_event value) struct kset *bus_get_kset(struct bus_type *bus) { - return &bus->p->subsys; + struct subsys_private *sp = bus_to_subsys(bus); + struct kset *kset; + + if (!sp) + return NULL; + + kset = &sp->subsys; + subsys_put(sp); + + return kset; } EXPORT_SYMBOL_GPL(bus_get_kset);