If kzalloc() returned NULL then it would lead to a NULL deref after the
goto.
Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
diff --git a/drivers/input/touchscreen/bu21013_ts.c b/drivers/input/touchscreen/bu21013_ts.c
index ccde586..8f120b1 100644
--- a/drivers/input/touchscreen/bu21013_ts.c
+++ b/drivers/input/touchscreen/bu21013_ts.c
@@ -446,11 +446,14 @@ static int __devinit bu21013_probe(struct i2c_client *client,
}
bu21013_data = kzalloc(sizeof(struct bu21013_ts_data), GFP_KERNEL);
+ if (!bu21013_data)
+ return -ENOMEM;
+
in_dev = input_allocate_device();
- if (!bu21013_data || !in_dev) {
+ if (!in_dev) {
dev_err(&client->dev, "device memory alloc failed\n");
error = -ENOMEM;
- goto err_free_mem;
+ goto err_free;
}
bu21013_data->in_dev = in_dev;
@@ -515,6 +518,7 @@ err_cs_disable:
pdata->cs_dis(pdata->cs_pin);
err_free_mem:
input_free_device(bu21013_data->in_dev);
+err_free:
kfree(bu21013_data);
return error;
--
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