From 713724046af865d0650e430f2101693fd5947969 Mon Sep 17 00:00:00 2001 From: Naga Radhesh Date: Mon, 27 Feb 2012 12:41:16 +0530 Subject: ab8500-pwm: check for valid platform data pointer Before accessing platform data, check whether platform pointer is valid or not. ST-Ericsson ID: 366316 ST-Ericsson Linux next: NA ST-Ericsson FOSS-OUT ID: Trivial Signed-off-by: Naga Radhesh Change-Id: I176dd81743d1c063f6814c35992cc8813ac57055 Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/50530 Reviewed-by: QATOOLS Reviewed-by: QABUILD Reviewed-by: Jonas ABERG --- drivers/misc/ab8500-pwm.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/misc/ab8500-pwm.c b/drivers/misc/ab8500-pwm.c index d7a62767a58..01d329ba76c 100644 --- a/drivers/misc/ab8500-pwm.c +++ b/drivers/misc/ab8500-pwm.c @@ -206,10 +206,16 @@ static int __devinit ab8500_pwm_probe(struct platform_device *pdev) { struct ab8500 *parent = dev_get_drvdata(pdev->dev.parent); struct ab8500_platform_data *plat = dev_get_platdata(parent->dev); - struct ab8500_pwmled_platform_data *pdata = plat->pwmled; + struct ab8500_pwmled_platform_data *pdata; struct pwm_device *pwm; int ret = 0 , i; + /* get pwmled specific platform data */ + if (!plat->pwmled) { + dev_err(&pdev->dev, "no pwm platform data supplied\n"); + return -EINVAL; + } + pdata = plat->pwmled; /* * Nothing to be done in probe, this is required to get the * device which is required for ab8500 read and write -- cgit v1.2.3