We do not have to test if platform_data pointer is null in
max3421_hub_control(), as the driver probe will fail if no
platform_data is found.
Fixes: 721fdc83b31b ("usb: max3421: Add devicetree support")
Signed-off-by: Jules Maselbas <jules.masel...@grenoble-inp.org>
Reported-by: Julia Lawall <julia.law...@lip6.fr>
Reported-by: Dan Carpenter <dan.carpen...@oracle.com>
---
drivers/usb/host/max3421-hcd.c | 15 ++-------------
1 file changed, 2 insertions(+), 13 deletions(-)
diff --git a/drivers/usb/host/max3421-hcd.c b/drivers/usb/host/max3421-hcd.c
index 928a5aabee02..02bbf8938bb9 100644
--- a/drivers/usb/host/max3421-hcd.c
+++ b/drivers/usb/host/max3421-hcd.c
@@ -1699,13 +1699,9 @@ max3421_hub_control(struct usb_hcd *hcd, u16 type_req,
u16 value, u16 index,
unsigned long flags;
int retval = 0;
- spin_lock_irqsave(&max3421_hcd->lock, flags);
-
pdata = spi->dev.platform_data;
- if (!pdata) {
- dev_err(&spi->dev, "Device platform data is missing\n");
- return -EFAULT;
- }
+
+ spin_lock_irqsave(&max3421_hcd->lock, flags);
switch (type_req) {
case ClearHubFeature:
@@ -1882,7 +1878,6 @@ max3421_probe(struct spi_device *spi)
if (IS_ENABLED(CONFIG_OF) && dev->of_node) {
pdata = devm_kzalloc(&spi->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata) {
- dev_err(&spi->dev, "failed to allocate memory for
private data\n");
retval = -ENOMEM;
goto error;
}
@@ -1995,12 +1990,6 @@ max3421_remove(struct spi_device *spi)
spin_unlock_irqrestore(&max3421_hcd->lock, flags);
- if (IS_ENABLED(CONFIG_OF) && spi->dev.platform_data) {
- dev_dbg(&spi->dev, "Freeing platform data structure\n");
- devm_kfree(&spi->dev, spi->dev.platform_data);
- spi->dev.platform_data = NULL;
- }
-
free_irq(spi->irq, hcd);
usb_put_hcd(hcd);
--
2.14.3
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
