diff options
| author | Michal Nazarewicz <mina86@mina86.com> | 2010-04-17 17:12:58 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-05-20 13:21:39 -0700 |
| commit | e8f4af304e3d16e7e512865bd53f3db811d9bbc8 (patch) | |
| tree | 60dd9c054a0a10470a19dfde58a09e72355188e3 /drivers/usb | |
| parent | 65e0b499105ec8ff3bc4ab7680873dec20127f9d (diff) | |
USB: core: config.c: usb_get_configuration() simplified
usb_gat_configuratio() used two pointers to point to the same
memory. Code simplified, by removing one of them.
Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb')
| -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 16c1157be3f..e4909c26bec 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: |