linux-kernel - [PATCH v1 1/5] platform/x86: intel_scu

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Message-Id: <20170405160528.9678-1-andriy.shevchenko@linux.intel.com>
Date:   Wed,  5 Apr 2017 19:05:24 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     x86@...nel.org, Darren Hart <dvhart@...radead.org>,
        platform-driver-x86@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1 1/5] platform/x86: intel_scu_ipc: Platform data is mandatory

Fail ->probe() if there is no platform data supplied.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/platform/x86/intel_scu_ipc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c
index e81daff65f62..d789fe1baf17 100644
--- a/drivers/platform/x86/intel_scu_ipc.c
+++ b/drivers/platform/x86/intel_scu_ipc.c
@@ -579,6 +579,8 @@ static int ipc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		return -EBUSY;
 
 	pdata = (struct intel_scu_ipc_pdata_t *)id->driver_data;
+	if (!pdata)
+		return -ENODEV;
 
 	scu->dev = &pdev->dev;
 	scu->irq_mode = pdata->irq_mode;
-- 
2.11.0