diff options
| author |   Wolfram Sang <wsa-dev@sang-engineering.com> | 2016-08-25 19:39:17 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-08-30 19:17:38 +0200 |
| commit | 3cfb4842fbf4854b5b5a02a0e14a969d6a498aa0 (patch) | |
| tree | 4a0f3aeb2856050f9a6b772073b9b24b85d6b3e1 /drivers/usb/misc/iowarrior.c | |
| parent | usb: misc: idmouse: don't print on ENOMEM (diff) | |
| download | linux-dev-3cfb4842fbf4854b5b5a02a0e14a969d6a498aa0.tar.xz linux-dev-3cfb4842fbf4854b5b5a02a0e14a969d6a498aa0.zip | |
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>
Diffstat (limited to 'drivers/usb/misc/iowarrior.c')
| -rw-r--r-- | drivers/usb/misc/iowarrior.c | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c index 7defa34dd4fa..095778ff984d 100644 --- a/drivers/usb/misc/iowarrior.c +++ b/drivers/usb/misc/iowarrior.c @@ -278,7 +278,7 @@ static ssize_t iowarrior_read(struct file *file, char __user *buffer, 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 @@ static long iowarrior_ioctl(struct file *file, unsigned int cmd, 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 @@ static int iowarrior_release(struct inode *inode, struct file *file) 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 @@ static int iowarrior_probe(struct usb_interface *interface, /* 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 @@ static int iowarrior_probe(struct usb_interface *interface, 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 @@ static int iowarrior_probe(struct usb_interface *interface, 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, |