linux-kernel - [PATCH 6/7] misc: pci_endpoint_test: Use full pci-endpoint-test name in request irq

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 30 Dec 2019 18:03:14 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Kishon Vijay Abraham I <kishon@...com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Arnd Bergmann <arnd@...db.de>
CC:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        <linux-pci@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 6/7] misc: pci_endpoint_test: Use full pci-endpoint-test name in request irq

Use full pci-endpoint-test name in request irq, so that it's easy to
profile the device that actually raised the interrupt.

Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
---
 drivers/misc/pci_endpoint_test.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/misc/pci_endpoint_test.c b/drivers/misc/pci_endpoint_test.c
index b622e234f57c..dae450c1a653 100644
--- a/drivers/misc/pci_endpoint_test.c
+++ b/drivers/misc/pci_endpoint_test.c
@@ -108,6 +108,7 @@ struct pci_endpoint_test {
 	struct miscdevice miscdev;
 	enum pci_barno test_reg_bar;
 	size_t alignment;
+	const char *name;
 };
 
 struct pci_endpoint_test_data {
@@ -226,7 +227,7 @@ static bool pci_endpoint_test_request_irq(struct pci_endpoint_test *test)
 	for (i = 0; i < test->num_irqs; i++) {
 		err = devm_request_irq(dev, pci_irq_vector(pdev, i),
 				       pci_endpoint_test_irqhandler,
-				       IRQF_SHARED, DRV_MODULE_NAME, test);
+				       IRQF_SHARED, test->name, test);
 		if (err)
 			goto fail;
 	}
@@ -752,6 +753,7 @@ static int pci_endpoint_test_probe(struct pci_dev *pdev,
 		dev_err(dev, "Failed to register device\n");
 		goto err_kfree_name;
 	}
+	test->name = kstrdup(name, GFP_KERNEL);
 
 	return 0;
 
@@ -792,6 +794,7 @@ static void pci_endpoint_test_remove(struct pci_dev *pdev)
 
 	misc_deregister(&test->miscdev);
 	kfree(misc_device->name);
+	kfree(test->name);
 	ida_simple_remove(&pci_endpoint_test_ida, id);
 	for (bar = 0; bar < PCI_STD_NUM_BARS; bar++) {
 		if (test->bar[bar])
-- 
2.17.1