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Marliere" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marliere.net; s=2024; t=1707421272; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=iIx9ArKKryMKztnqbeYvUFTe3kDIAE1tSUPavqVDA5w=; b=GFP6N9UxeXbMkGj8299Sjv3uJLe26Kkt23zKrb0YCgYq0ztYdxiw54T7EgjSlM2oI6Ps2E gFrIXvOaJXZyObE2vgKLDt+0oOb+tO/p+h3ZhnLhvVV+b6rD3jsWnyPRPdnh92QbdXkenV xVaF23Y/mpqMB+UCT0j9pMr7F6PX+gLeYGnRNaH7q+TVgw0jbOSROIEE3x4HHHcX4QWYly ljkT6PM1qgtDVLWGwMbGv4iQT8kDphETr6BARr7TeqFw2EC0lEdtgjHi5vQGnWSyzStQGU Q9U38BZEDV5ibqfZt2h/bFzaTwS0lFmB4ixO0b/MtCaYgs81yT6/7vv33hVKUw== Authentication-Results: ORIGINATING; auth=pass smtp.auth=ricardo@marliere.net smtp.mailfrom=ricardo@marliere.net Date: Thu, 08 Feb 2024 16:41:46 -0300 Subject: [PATCH] PCI: make pcie_port_bus_type const Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20240208-bus_cleanup-pci2-v1-1-5e578210b6f2@marliere.net> X-B4-Tracking: v=1; b=H4sIAHkuxWUC/x3MQQqAIBBA0avErBNULLKrRITpWANhohSBdPek5 Vv8XyBjIswwNgUS3pTpDBWibcDuJmzIyFWD5FJxyQe2XnmxB5pwRRYtSdYLj9oq3Tk+QM1iQk/ Pv5zm9/0AB/zIyGIAAAA= To: Bjorn Helgaas Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Greg Kroah-Hartman , "Ricardo B. Marliere" X-Developer-Signature: v=1; a=openpgp-sha256; l=1652; i=ricardo@marliere.net; h=from:subject:message-id; bh=3y1PWI7/4uJhKHORhChSyZZNPB/LBp4MB0BXiBQdq5I=; b=owEBbQKS/ZANAwAKAckLinxjhlimAcsmYgBlxS56neXjDv0TkkRaPI23tEDUToUd4ztNqAdrc ZBN6yA3ojCJAjMEAAEKAB0WIQQDCo6eQk7jwGVXh+HJC4p8Y4ZYpgUCZcUuegAKCRDJC4p8Y4ZY poGrD/9jyLlUi36f/6F2VPwJSKbYX5fYWnbC8US4QN8p7lDSpZq697JB0ArEnmQQZwWXYxefnQh 6oXmS2iiL6FDxYmj9HOrG0oA0gOItpYEgirvaXXUEYZwvk/v4rl8fWeJnVG5KA9ZmvN5tmTc5nh +a7EN/DW1JEyW7fLJLVQLt64ycVKS0nscYjtkjYh70aYjwxybAhpr4lBX/iBb70YnlRs6aWFN1V niGtYfxKmPDjW1OXJ+2NTmMWhoCiCUgHgnIxOmgSNt/9cuI5DdKo14cGN1m2ARdJusWPlXf60Eg nfk426VnqOuUJtY4+1GfHCemAeisL+RGXXl/IGv85o0Ix0beRKQ5D9UVYCYdAe9NS3CxpcEL0ci +IhbZ0awbE0CZ6hLzLUJh7XOesE23V1zbRUxaoIPxOAh1b3qksrY9fcD28kJcSqOW6B0RZM0TVO P9UX5ZvbNlhfLO26jgE3Jw8q4XMx9wYAyGVlU4YBF1QC2CdIttNgteWI/bjoz/574/yOYGSV9No WVYp4noCPEg0bU9OcG0CUI6uYEYM1aUgjUqZ5gKaYZgVKKwkGOlCzLx9r3TS6Bjvt1b07csFZZa ewa5YmU2YszLptMJDPaC85rQ5nze4WJTm8446iZe7XxIrtKSru6DXbnIqd6CLwaisEaV2maOT13 UYmml/rrqEYNbjQ== X-Developer-Key: i=ricardo@marliere.net; a=openpgp; fpr=030A8E9E424EE3C0655787E1C90B8A7C638658A6 Now that the driver core can properly handle constant struct bus_type, move the pcie_port_bus_type variable to be a constant structure as well, placing it into read-only memory which can not be modified at runtime. Cc: Greg Kroah-Hartman Suggested-by: Greg Kroah-Hartman Signed-off-by: Ricardo B. Marliere --- drivers/pci/pci-driver.c | 2 +- drivers/pci/pcie/portdrv.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index ec838f2e892e..a29098e24683 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -1705,7 +1705,7 @@ static int pcie_port_bus_match(struct device *dev, struct device_driver *drv) return 1; } -struct bus_type pcie_port_bus_type = { +const struct bus_type pcie_port_bus_type = { .name = "pci_express", .match = pcie_port_bus_match, }; diff --git a/drivers/pci/pcie/portdrv.h b/drivers/pci/pcie/portdrv.h index 1f3803bde7ee..12c89ea0313b 100644 --- a/drivers/pci/pcie/portdrv.h +++ b/drivers/pci/pcie/portdrv.h @@ -96,7 +96,7 @@ struct pcie_port_service_driver { int pcie_port_service_register(struct pcie_port_service_driver *new); void pcie_port_service_unregister(struct pcie_port_service_driver *new); -extern struct bus_type pcie_port_bus_type; +extern const struct bus_type pcie_port_bus_type; struct pci_dev; --- base-commit: cc24b2d080dca2ce1c89a8a71c00bdf21155f357 change-id: 20240208-bus_cleanup-pci2-61fe9c495d08 Best regards, -- Ricardo B. Marliere