gpio: use devm_kzalloc
We can use devres API for allocating memory. No need of using kfree.
Signed-off-by: Varka Bhadram <varkab@cdac.in>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c
index eea5d7e..a17b81fe 100644
--- a/drivers/gpio/gpio-mcp23s08.c
+++ b/drivers/gpio/gpio-mcp23s08.c
@@ -949,10 +949,12 @@
if (!chips)
return -ENODEV;
- data = kzalloc(sizeof(*data) + chips * sizeof(struct mcp23s08),
- GFP_KERNEL);
+ data = devm_kzalloc(&spi->dev,
+ sizeof(*data) + chips * sizeof(struct mcp23s08),
+ GFP_KERNEL);
if (!data)
return -ENOMEM;
+
spi_set_drvdata(spi, data);
spi->irq = irq_of_parse_and_map(spi->dev.of_node, 0);
@@ -989,7 +991,6 @@
continue;
gpiochip_remove(&data->mcp[addr]->chip);
}
- kfree(data);
return status;
}