Messages in this thread Patch in this message | | | Date | Mon, 23 Jun 2014 09:47:41 +0100 | From | Lee Jones <> | Subject | Re: Obsolete Bug in file drivers/mfd/pcf50633-core.c |
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On Fri, 20 Jun 2014, Nick Krause wrote: > There seems to be a obsolete bug in this file that has been reported about > a NULL > check for platform_device_add_data() in function pcf50633_probe(). This > bug seems > to be fixed by the lines I wrote in my comment on Bugzilla. The attached > link should > give you an idea of if closing this bug is a good idea. > https://bugzilla.kernel.org/show_bug.cgi?id=78521 > <https://bugzilla.kernel.org/show_bug.cgi?id=78521> > Thanks Nick
This bug was fixed by Alan Cox 2 years ago:
commit 18273c5b463d9f98ef81f1a6217a7f4168dd809a Author: Alan Cox <alan@lxorguk.ukuu.org.uk> Date: Fri Jul 13 16:43:32 2012 +0100
mfd: Add missing out of memory check for pcf50633
Resolves-bug: https://bugzilla.kernel.org/show_bug.cgi?id=44561 Reported-by: <rucsoftsec@gmail.com> Cc: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c index 29c122b..45ce1fb 100644 --- a/drivers/mfd/pcf50633-core.c +++ b/drivers/mfd/pcf50633-core.c @@ -253,8 +253,13 @@ static int __devinit pcf50633_probe(struct i2c_client *client, } pdev->dev.parent = pcf->dev; - platform_device_add_data(pdev, &pdata->reg_init_data[i], - sizeof(pdata->reg_init_data[i])); + if (platform_device_add_data(pdev, &pdata->reg_init_data[i], + sizeof(pdata->reg_init_data[i])) < 0) { + platform_device_put(pdev); + dev_err(pcf->dev, "Out of memory for regulator parameters %d\n", + i); + continue; + } pcf->regulator_pdev[i] = pdev; platform_device_add(pdev);
-- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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