usb: misc: iowarrior: don't print on ENOMEM
All kmalloc-based functions print enough information on failures.
Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
index 7defa34..095778f 100644
--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -278,7 +278,7 @@
dev = file->private_data;
/* verify that the device wasn't unplugged */
- if (dev == NULL || !dev->present)
+ if (!dev || !dev->present)
return -ENODEV;
dev_dbg(&dev->interface->dev, "minor %d, count = %zd\n",
@@ -480,9 +480,8 @@
int io_res; /* checks for bytes read/written and copy_to/from_user results */
dev = file->private_data;
- if (dev == NULL) {
+ if (!dev)
return -ENODEV;
- }
buffer = kzalloc(dev->report_size, GFP_KERNEL);
if (!buffer)
@@ -652,9 +651,8 @@
int retval = 0;
dev = file->private_data;
- if (dev == NULL) {
+ if (!dev)
return -ENODEV;
- }
dev_dbg(&dev->interface->dev, "minor %d\n", dev->minor);
@@ -764,10 +762,8 @@
/* allocate memory for our device state and initialize it */
dev = kzalloc(sizeof(struct iowarrior), GFP_KERNEL);
- if (dev == NULL) {
- dev_err(&interface->dev, "Out of memory\n");
+ if (!dev)
return retval;
- }
mutex_init(&dev->mutex);
@@ -813,10 +809,8 @@
if (!dev->int_in_urb)
goto error;
dev->int_in_buffer = kmalloc(dev->report_size, GFP_KERNEL);
- if (!dev->int_in_buffer) {
- dev_err(&interface->dev, "Couldn't allocate int_in_buffer\n");
+ if (!dev->int_in_buffer)
goto error;
- }
usb_fill_int_urb(dev->int_in_urb, dev->udev,
usb_rcvintpipe(dev->udev,
dev->int_in_endpoint->bEndpointAddress),
@@ -827,10 +821,8 @@
dev->read_queue =
kmalloc(((dev->report_size + 1) * MAX_INTERRUPT_BUFFER),
GFP_KERNEL);
- if (!dev->read_queue) {
- dev_err(&interface->dev, "Couldn't allocate read_queue\n");
+ if (!dev->read_queue)
goto error;
- }
/* Get the serial-number of the chip */
memset(dev->chip_serial, 0x00, sizeof(dev->chip_serial));
usb_string(udev, udev->descriptor.iSerialNumber, dev->chip_serial,