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| author | Furong Xu <xfr@outlook.com> | 2017-03-02 17:00:32 +0800 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@hauke-m.de> | 2017-08-21 21:29:52 +0200 |
| commit | 5a22df69e421246ba4653d3dd70d25d1aaa5d31c (patch) | |
| tree | 02abd9b533f8d33695b1911c15b0ef9d0d94c3f2 /package/kernel | |
| parent | e505f59bd946a85c7eb8d5b19d796ed4d45218df (diff) | |
| download | upstream-5a22df69e421246ba4653d3dd70d25d1aaa5d31c.tar.gz upstream-5a22df69e421246ba4653d3dd70d25d1aaa5d31c.tar.bz2 upstream-5a22df69e421246ba4653d3dd70d25d1aaa5d31c.zip | |
gpio-button-hotplug: leave platform_device.dev.platform_data untouched
get platform_data from gpio_keys_button_dev.pdata, and fix a illegal pointer
dereference like this:
[ 51.143776] gpio-keys-polled gpio-keys-polled: missing poll_interval value
[ 51.150852] gpio-keys-polled: probe of gpio-keys-polled failed with error -22
[ 828.159993] gpio-keys-polled gpio-keys-polled: no memory for button data
[ 828.166821] gpio-keys-polled: probe of gpio-keys-polled failed with error -12
Signed-off-by: Furong Xu <xfr@outlook.com>
Diffstat (limited to 'package/kernel')
| -rw-r--r-- | package/kernel/gpio-button-hotplug/src/gpio-button-hotplug.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/package/kernel/gpio-button-hotplug/src/gpio-button-hotplug.c b/package/kernel/gpio-button-hotplug/src/gpio-button-hotplug.c index 2bd3ff1813..1aef23e876 100644 --- a/package/kernel/gpio-button-hotplug/src/gpio-button-hotplug.c +++ b/package/kernel/gpio-button-hotplug/src/gpio-button-hotplug.c @@ -474,7 +474,6 @@ static int gpio_keys_button_probe(struct platform_device *pdev, dev_err(dev, "missing platform data\n"); return -EINVAL; } - pdev->dev.platform_data = pdata; } if (polled && !pdata->poll_interval) { @@ -559,7 +558,7 @@ static int gpio_keys_probe(struct platform_device *pdev) if (ret) return ret; - pdata = pdev->dev.platform_data; + pdata = bdev->pdata; for (i = 0; i < pdata->nbuttons; i++) { struct gpio_keys_button *button = &pdata->buttons[i]; struct gpio_keys_button_data *bdata = &bdev->data[i]; |