From 4fc401c9b26be1765de71791e15e59093df94eac Mon Sep 17 00:00:00 2001 From: Nelson Castillo Date: Thu, 14 May 2009 23:46:41 -0500 Subject: Avoid null pointer access on early call to pcf50633_mbc_get_status Avoid a kernel panic during an early call to the pcf50633_mbc_get_status function. --- drivers/power/pcf50633-charger.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/power') diff --git a/drivers/power/pcf50633-charger.c b/drivers/power/pcf50633-charger.c index 8772604ae1a..1bdb9906201 100644 --- a/drivers/power/pcf50633-charger.c +++ b/drivers/power/pcf50633-charger.c @@ -114,6 +114,9 @@ int pcf50633_mbc_get_status(struct pcf50633 *pcf) struct pcf50633_mbc *mbc = platform_get_drvdata(pcf->mbc_pdev); int status = 0; + if (!mbc) + return 0; + if (mbc->usb_online) status |= PCF50633_MBC_USB_ONLINE; if (mbc->usb_active) -- cgit v1.2.3