mfd: Check jz4740-adc kmalloc() result
If kmalloc() fails exit with -ENOMEM.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/mfd/jz4740-adc.c b/drivers/mfd/jz4740-adc.c
index b30e44a..3ad492c 100644
--- a/drivers/mfd/jz4740-adc.c
+++ b/drivers/mfd/jz4740-adc.c
@@ -260,6 +260,10 @@
int irq;
adc = kmalloc(sizeof(*adc), GFP_KERNEL);
+ if (!adc) {
+ dev_err(&pdev->dev, "Failed to allocate driver structure\n");
+ return -ENOMEM;
+ }
adc->irq = platform_get_irq(pdev, 0);
if (adc->irq < 0) {