diff options
Diffstat (limited to 'drivers/usb/core/config.c')
| -rw-r--r-- | drivers/usb/core/config.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 16c1157be3fc..e4909c26becb 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -735,7 +735,6 @@ int usb_get_configuration(struct usb_device *dev) int ncfg = dev->descriptor.bNumConfigurations; int result = 0; unsigned int cfgno, length; - unsigned char *buffer; unsigned char *bigbuffer; struct usb_config_descriptor *desc; @@ -764,17 +763,16 @@ int usb_get_configuration(struct usb_device *dev) if (!dev->rawdescriptors) goto err2; - buffer = kmalloc(USB_DT_CONFIG_SIZE, GFP_KERNEL); - if (!buffer) + desc = kmalloc(USB_DT_CONFIG_SIZE, GFP_KERNEL); + if (!desc) goto err2; - desc = (struct usb_config_descriptor *)buffer; result = 0; for (; cfgno < ncfg; cfgno++) { /* We grab just the first descriptor so we know how long * the whole configuration is */ result = usb_get_descriptor(dev, USB_DT_CONFIG, cfgno, - buffer, USB_DT_CONFIG_SIZE); + desc, USB_DT_CONFIG_SIZE); if (result < 0) { dev_err(ddev, "unable to read config index %d " "descriptor/%s: %d\n", cfgno, "start", result); @@ -823,7 +821,7 @@ int usb_get_configuration(struct usb_device *dev) result = 0; err: - kfree(buffer); + kfree(desc); out_not_authorized: dev->descriptor.bNumConfigurations = cfgno; err2: |
