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path: root/drivers/misc/hdpuftrs/hdpu_cpustate.c
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Diffstat (limited to 'drivers/misc/hdpuftrs/hdpu_cpustate.c')
-rw-r--r--drivers/misc/hdpuftrs/hdpu_cpustate.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/misc/hdpuftrs/hdpu_cpustate.c b/drivers/misc/hdpuftrs/hdpu_cpustate.c
index b5c6f21..b16742c 100644
--- a/drivers/misc/hdpuftrs/hdpu_cpustate.c
+++ b/drivers/misc/hdpuftrs/hdpu_cpustate.c
@@ -194,6 +194,11 @@ static int hdpu_cpustate_probe(struct platform_device *pdev)
int ret;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ printk(KERN_ERR "sky_cpustate: "
+ "Invalid memory resource.\n");
+ return -EINVAL;
+ }
cpustate.set_addr = (unsigned long *)res->start;
cpustate.clr_addr = (unsigned long *)res->end - 1;