This patch adds checking of create_proc_entry call
to prevent possible NULL pointer usage.
Signed-off-by: Cyrill Gorcunov <[email protected]>
---
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 01bc917..cc81853 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;
}
-
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