diff options
author | Wolfram Sang <wsa-dev@sang-engineering.com> | 2016-08-25 13:39:18 -0400 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-08-30 13:17:38 -0400 |
commit | 6714ffae751868e237d8f887eca1754d08ee814c (patch) | |
tree | 31178f3d661e26e648a353c206643972fc8e1a5a /drivers/usb/misc/ldusb.c | |
parent | 3cfb4842fbf4854b5b5a02a0e14a969d6a498aa0 (diff) |
usb: misc: ldusb: 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/ldusb.c')
-rw-r--r-- | drivers/usb/misc/ldusb.c | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/drivers/usb/misc/ldusb.c b/drivers/usb/misc/ldusb.c index 84890791c2f8..9ca595632f17 100644 --- a/drivers/usb/misc/ldusb.c +++ b/drivers/usb/misc/ldusb.c | |||
@@ -658,10 +658,8 @@ static int ld_usb_probe(struct usb_interface *intf, const struct usb_device_id * | |||
658 | /* allocate memory for our device state and initialize it */ | 658 | /* allocate memory for our device state and initialize it */ |
659 | 659 | ||
660 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); | 660 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
661 | if (dev == NULL) { | 661 | if (!dev) |
662 | dev_err(&intf->dev, "Out of memory\n"); | ||
663 | goto exit; | 662 | goto exit; |
664 | } | ||
665 | mutex_init(&dev->mutex); | 663 | mutex_init(&dev->mutex); |
666 | spin_lock_init(&dev->rbsl); | 664 | spin_lock_init(&dev->rbsl); |
667 | dev->intf = intf; | 665 | dev->intf = intf; |
@@ -674,10 +672,8 @@ static int ld_usb_probe(struct usb_interface *intf, const struct usb_device_id * | |||
674 | (le16_to_cpu(udev->descriptor.idProduct) == USB_DEVICE_ID_LD_COM3LAB)) && | 672 | (le16_to_cpu(udev->descriptor.idProduct) == USB_DEVICE_ID_LD_COM3LAB)) && |
675 | (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x103)) { | 673 | (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x103)) { |
676 | buffer = kmalloc(256, GFP_KERNEL); | 674 | buffer = kmalloc(256, GFP_KERNEL); |
677 | if (buffer == NULL) { | 675 | if (!buffer) |
678 | dev_err(&intf->dev, "Couldn't allocate string buffer\n"); | ||
679 | goto error; | 676 | goto error; |
680 | } | ||
681 | /* usb_string makes SETUP+STALL to leave always ControlReadLoop */ | 677 | /* usb_string makes SETUP+STALL to leave always ControlReadLoop */ |
682 | usb_string(udev, 255, buffer, 256); | 678 | usb_string(udev, 255, buffer, 256); |
683 | kfree(buffer); | 679 | kfree(buffer); |
@@ -704,25 +700,19 @@ static int ld_usb_probe(struct usb_interface *intf, const struct usb_device_id * | |||
704 | 700 | ||
705 | dev->interrupt_in_endpoint_size = usb_endpoint_maxp(dev->interrupt_in_endpoint); | 701 | dev->interrupt_in_endpoint_size = usb_endpoint_maxp(dev->interrupt_in_endpoint); |
706 | dev->ring_buffer = kmalloc(ring_buffer_size*(sizeof(size_t)+dev->interrupt_in_endpoint_size), GFP_KERNEL); | 702 | dev->ring_buffer = kmalloc(ring_buffer_size*(sizeof(size_t)+dev->interrupt_in_endpoint_size), GFP_KERNEL); |
707 | if (!dev->ring_buffer) { | 703 | if (!dev->ring_buffer) |
708 | dev_err(&intf->dev, "Couldn't allocate ring_buffer\n"); | ||
709 | goto error; | 704 | goto error; |
710 | } | ||
711 | dev->interrupt_in_buffer = kmalloc(dev->interrupt_in_endpoint_size, GFP_KERNEL); | 705 | dev->interrupt_in_buffer = kmalloc(dev->interrupt_in_endpoint_size, GFP_KERNEL); |
712 | if (!dev->interrupt_in_buffer) { | 706 | if (!dev->interrupt_in_buffer) |
713 | dev_err(&intf->dev, "Couldn't allocate interrupt_in_buffer\n"); | ||
714 | goto error; | 707 | goto error; |
715 | } | ||
716 | dev->interrupt_in_urb = usb_alloc_urb(0, GFP_KERNEL); | 708 | dev->interrupt_in_urb = usb_alloc_urb(0, GFP_KERNEL); |
717 | if (!dev->interrupt_in_urb) | 709 | if (!dev->interrupt_in_urb) |
718 | goto error; | 710 | goto error; |
719 | dev->interrupt_out_endpoint_size = dev->interrupt_out_endpoint ? usb_endpoint_maxp(dev->interrupt_out_endpoint) : | 711 | dev->interrupt_out_endpoint_size = dev->interrupt_out_endpoint ? usb_endpoint_maxp(dev->interrupt_out_endpoint) : |
720 | udev->descriptor.bMaxPacketSize0; | 712 | udev->descriptor.bMaxPacketSize0; |
721 | dev->interrupt_out_buffer = kmalloc(write_buffer_size*dev->interrupt_out_endpoint_size, GFP_KERNEL); | 713 | dev->interrupt_out_buffer = kmalloc(write_buffer_size*dev->interrupt_out_endpoint_size, GFP_KERNEL); |
722 | if (!dev->interrupt_out_buffer) { | 714 | if (!dev->interrupt_out_buffer) |
723 | dev_err(&intf->dev, "Couldn't allocate interrupt_out_buffer\n"); | ||
724 | goto error; | 715 | goto error; |
725 | } | ||
726 | dev->interrupt_out_urb = usb_alloc_urb(0, GFP_KERNEL); | 716 | dev->interrupt_out_urb = usb_alloc_urb(0, GFP_KERNEL); |
727 | if (!dev->interrupt_out_urb) | 717 | if (!dev->interrupt_out_urb) |
728 | goto error; | 718 | goto error; |