From 5f725fe92cc2e75892b237e863d5f695fb634bb2 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Tue, 2 Oct 2007 13:30:07 -0700 Subject: [PATCH] [POWERPC] Sky Cpu and Nexus: check for create_proc_entry ret code Adds checking of create_proc_entry call to prevent possible NULL pointer usage. Signed-off-by: Cyrill Gorcunov Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Kumar Gala Cc: Brian Waite Signed-off-by: Andrew Morton Signed-off-by: Paul Mackerras --- drivers/misc/hdpuftrs/hdpu_nexus.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/misc/hdpuftrs/hdpu_nexus.c b/drivers/misc/hdpuftrs/hdpu_nexus.c index 01bc917960..cc818532c7 100644 --- a/drivers/misc/hdpuftrs/hdpu_nexus.c +++ b/drivers/misc/hdpuftrs/hdpu_nexus.c @@ -78,10 +78,20 @@ static int hdpu_nexus_probe(struct platform_device *pdev) } hdpu_slot_id = create_proc_entry("sky_slot_id", 0666, &proc_root); - hdpu_slot_id->read_proc = hdpu_slot_id_read; + if (!hdpu_slot_id) { + printk(KERN_WARNING "sky_nexus: " + "Unable to create proc dir entry: sky_slot_id\n"); + } else { + hdpu_slot_id->read_proc = hdpu_slot_id_read; + } hdpu_chassis_id = create_proc_entry("sky_chassis_id", 0666, &proc_root); - hdpu_chassis_id->read_proc = hdpu_chassis_id_read; + if (!hdpu_chassis_id) { + printk(KERN_WARNING "sky_nexus: " + "Unable to create proc dir entry: sky_chassis_id\n"); + } else { + hdpu_chassis_id->read_proc = hdpu_chassis_id_read; + } return 0; } -- 2.39.5