4.4-stable review patch. If anyone has any objections, please let me know.
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From: Greg Kroah-Hartman gregkh@linuxfoundation.org
commit cf4df407e0d7cde60a45369c2a3414d18e2d4fdd upstream.
This reverts commit 32fd87b3bbf5f7a045546401dfe2894dbbf4d8c3.
Alan wrote a better fix for this...
Cc: Andrey Konovalov andreyknvl@google.com Cc: stable stable@vger.kernel.org Cc: Nathan Chancellor natechancellor@gmail.com Cc: Arnd Bergmann arnd@arndb.de Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/usb/core/config.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-)
--- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -734,21 +734,18 @@ void usb_destroy_configuration(struct us return;
if (dev->rawdescriptors) { - for (i = 0; i < dev->descriptor.bNumConfigurations && - i < USB_MAXCONFIG; i++) + for (i = 0; i < dev->descriptor.bNumConfigurations; i++) kfree(dev->rawdescriptors[i]);
kfree(dev->rawdescriptors); dev->rawdescriptors = NULL; }
- for (c = 0; c < dev->descriptor.bNumConfigurations && - c < USB_MAXCONFIG; c++) { + for (c = 0; c < dev->descriptor.bNumConfigurations; c++) { struct usb_host_config *cf = &dev->config[c];
kfree(cf->string); - for (i = 0; i < cf->desc.bNumInterfaces && - i < USB_MAXINTERFACES; i++) { + for (i = 0; i < cf->desc.bNumInterfaces; i++) { if (cf->intf_cache[i]) kref_put(&cf->intf_cache[i]->ref, usb_release_interface_cache);