Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=16bbab2966309ae82cda3d378964c56096d4858c
Commit: 16bbab2966309ae82cda3d378964c56096d4858c
Parent: d7d07255d3f5607802b0af29e11448d18e9ed558
Author: Inaky Perez-Gonzalez <[EMAIL PROTECTED]>
AuthorDate: Tue Jul 31 20:34:01 2007 -0700
Committer: Greg Kroah-Hartman <[EMAIL PROTECTED]>
CommitDate: Fri Oct 12 14:55:06 2007 -0700
usb: usb_set_configuration() obeys authorization
Will refuse to configure a non-authorized device.
Update: simplified if statement--thanks to Ragner Magalhaes for the
heads up.
Signed-off-by: Inaky Perez-Gonzalez <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
drivers/usb/core/message.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index a26a729..025ac0b 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -1483,6 +1483,9 @@ static struct usb_interface_assoc_descriptor
*find_iad(struct usb_device *dev,
* channels are available independently; and choosing between open
* standard device protocols (like CDC) or proprietary ones.
*
+ * Note that a non-authorized device (dev->authorized == 0) will only
+ * be put in unconfigured mode.
+ *
* Note that USB has an additional level of device configurability,
* associated with interfaces. That configurability is accessed using
* usb_set_interface().
@@ -1504,7 +1507,7 @@ int usb_set_configuration(struct usb_device *dev, int
configuration)
struct usb_interface **new_interfaces = NULL;
int n, nintf;
- if (configuration == -1)
+ if (dev->authorized == 0 || configuration == -1)
configuration = 0;
else {
for (i = 0; i < dev->descriptor.bNumConfigurations; i++) {
-
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