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Fix null pointer dereference in appledisplay driver

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Commit 40b20c257a by Len Brown introduced
a null pointer dereference in the appledisplay driver. This patch fixes
it.

Signed-off-by: Michael Hanselmann <linux-kernel@hansmi.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Michael Hanselmann
2007-02-10 01:18:23 +01:00
committed by Greg Kroah-Hartman
parent 9b6412dda1
commit af28fc0945
1 changed files with 2 additions and 2 deletions
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drivers/usb/misc/appledisplay.c
+2 -2
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@@ -281,8 +281,8 @@ static int appledisplay_probe(struct usb_interface *iface,
/* Register backlight device */
snprintf(bl_name, sizeof(bl_name), "appledisplay%d",
atomic_inc_return(&count_displays) - 1);
pdata->bd = backlight_device_register(bl_name, NULL, NULL,
&appledisplay_bl_data);
pdata->bd = backlight_device_register(bl_name, NULL,
pdata, &appledisplay_bl_data);
if (IS_ERR(pdata->bd)) {
err("appledisplay: Backlight registration failed");
goto error;