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Revert "USB: core: only clean up what we allocated"

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commit cf4df407e0 upstream.

This reverts commit 32fd87b3bb.

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>
This commit is contained in:
Greg Kroah-Hartman 2017-12-13 11:59:39 +01:00
parent 0c60bc1850
commit 1cb3e7f166
1 changed files with 3 additions and 6 deletions
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9
drivers/usb/core/config.c
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@ -768,21 +768,18 @@ void usb_destroy_configuration(struct usb_device *dev)
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);