From: Inaky Perez-Gonzalez <[EMAIL PROTECTED]>
Change usb_get_configuration() so that it is more tolerant to devices
with bad configuration descriptors (it'll make it ignore
configurations that fail to load).
Signed-off-by: Inaky Perez-Gonzalez <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
drivers/usb/core/config.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index 4c9e63e..bfb3731 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -475,7 +475,9 @@ int usb_get_configuration(struct usb_dev
if (result < 0) {
dev_err(ddev, "unable to read config index %d "
"descriptor/%s\n", cfgno, "start");
- goto err;
+ dev_err(ddev, "chopping to %d config(s)\n", cfgno);
+ dev->descriptor.bNumConfigurations = cfgno;
+ break;
} else if (result < 4) {
dev_err(ddev, "config index %d descriptor too short "
"(expected %i, got %i)\n", cfgno,
--
1.4.2.1
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