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authorMichael Hanselmann <linux-kernel@hansmi.ch>2007-02-12 00:51:34 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 09:48:27 -0800
commit2ca48ed5cc5935cbd2a6f5d14fecd4ddbbdb4315 (patch)
tree9ba3dbdf08bba195ee505f70de7e2a21b146ed5a
parent509cb37e173d4e39cec47238397e91b718730794 (diff)
[PATCH] null pointer dereference in appledisplay driver
Commit 40b20c257a13c5a526ac540bc5e43d0fdf29792a 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> Cc: Len Brown <lenb@kernel.org> Cc: Greg KH <greg@kroah.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--drivers/usb/misc/appledisplay.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c
index a7932a72d29..32f0e3a5b02 100644
--- a/drivers/usb/misc/appledisplay.c
+++ b/drivers/usb/misc/appledisplay.c
@@ -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;