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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-12-13 11:59:39 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-04-03 06:25:21 +0200
commit1cb3e7f166b5c3efea42d2576eb2d4625a6c81ac (patch)
treebd1e527cacde3d14321a79c489f403ee928c1e4e
parent0c60bc18506e1157624107fbab1d7883f894fc72 (diff)
Revert "USB: core: only clean up what we allocated"
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>
-rw-r--r--drivers/usb/core/config.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index 1a6ccdd5a5fc..bd749e78df59 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -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);