From: Manjeet Pawar <manjee...@samsung.com>
Subject: [PATCH] testcases/kernel/device-drivers/usb/tusb/tusb.c: Fix possible
NULL pointer derefrence
pdev was accessed before its NULL check, this patch fixes this.
Signed-off-by: Manjeet Pawar <manjee...@samsung.com>
Signed-off-by: Yogesh Gaur <yn.g...@samsung.com>
---
testcases/kernel/device-drivers/usb/tusb/tusb.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/testcases/kernel/device-drivers/usb/tusb/tusb.c
b/testcases/kernel/device-drivers/usb/tusb/tusb.c
index 774600a..258070a 100644
--- a/testcases/kernel/device-drivers/usb/tusb/tusb.c
+++ b/testcases/kernel/device-drivers/usb/tusb/tusb.c
@@ -386,14 +386,15 @@ static int test_hcd_probe()
int rc;
struct usb_hcd *hcd = NULL;
struct pci_dev *pdev = ltp_usb.pdev;
- struct pci_device_id *id =
- (struct pci_device_id *)pdev->driver->id_table;
+ struct pci_device_id *id = NULL;
if (!pdev) {
printk("tusb: pdev pointer not set\n");
return 1;
}
+ id = (struct pci_device_id *)pdev->driver->id_table;
+
if (!id || !id->driver_data) {
printk("tusb: id_table not set\n");
return 1;
--
1.7.9.5
------------------------------------------------------------------------------
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