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[5.4,16/36] misc: pci_endpoint_test: Fix to support > 10 pci-endpoint-test devices

Message ID 20200407101456.432547601@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg KH April 7, 2020, 10:21 a.m. UTC 
From: Kishon Vijay Abraham I <kishon@ti.com>

commit 6b443e5c80b67a7b8a85b33d052d655ef9064e90 upstream.

Adding more than 10 pci-endpoint-test devices results in
"kobject_add_internal failed for pci-endpoint-test.1 with -EEXIST, don't
try to register things with the same name in the same directory". This
is because commit 2c156ac71c6b ("misc: Add host side PCI driver for PCI
test function device") limited the length of the "name" to 20 characters.
Change the length of the name to 24 in order to support upto 10000
pci-endpoint-test devices.

Fixes: 2c156ac71c6b ("misc: Add host side PCI driver for PCI test function device")
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: stable@vger.kernel.org # v4.14+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/misc/pci_endpoint_test.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

--- a/drivers/misc/pci_endpoint_test.c
+++ b/drivers/misc/pci_endpoint_test.c
@@ -633,7 +633,7 @@  static int pci_endpoint_test_probe(struc
 {
 	int err;
 	int id;
-	char name[20];
+	char name[24];
 	enum pci_barno bar;
 	void __iomem *base;
 	struct device *dev = &pdev->dev;