diff options
| author | Cyrill Gorcunov <gorcunov@gmail.com> | 2007-10-02 13:30:07 -0700 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-10-03 12:02:44 +1000 |
| commit | 5f725fe92cc2e75892b237e863d5f695fb634bb2 (patch) | |
| tree | 6905d531858c0b3716220734540e25e75b16fe68 /drivers/misc/hdpuftrs | |
| parent | 7472fd36a87e84c2819066543224285a6ab79ffc (diff) | |
| download | blackbird-op-linux-5f725fe92cc2e75892b237e863d5f695fb634bb2.tar.gz blackbird-op-linux-5f725fe92cc2e75892b237e863d5f695fb634bb2.zip | |
[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 <gorcunov@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Kumar Gala <galak@gate.crashing.org>
Cc: Brian Waite <waite@skycomputers.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'drivers/misc/hdpuftrs')
| -rw-r--r-- | drivers/misc/hdpuftrs/hdpu_nexus.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/misc/hdpuftrs/hdpu_nexus.c b/drivers/misc/hdpuftrs/hdpu_nexus.c index 01bc9179603b..cc818532c7ec 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; } |
