On Tue, 18 Sep 2012, Kevin Daughtridge wrote: > The dev_rdesc member of the hid_device structure is meant to store the > original > report descriptor received from the device, but it is currently passed to any > report_fixup method before it is copied to the rdesc member. This patch moves > the kmemdup to before, not after, the report_fixup call, keeping dev_rdesc > unchanged. > > usbhid's hid_post_reset checks the report descriptor currently returned by the > device against a descriptor that may have been modified by a driver's > report_fixup method. That leaves some devices nonfunctional after a resume, > with > a "reset_resume error 1" reported. This patch checks the new descriptor > against > the unmodified dev_rdesc instead. > > BugLink:http://bugs.launchpad.net/bugs/1049623 > Signed-off-by: Kevin Daughtridge<kevin@xxxxxxxx> Your patch is whitespace damaged again, please fix your workload Kevin. > --- > --- a/drivers/hid/hid-core.c > +++ b/drivers/hid/hid-core.c > @@ -775,12 +775,14 @@ int hid_open_report(struct hid_device *d > return -ENODEV; > size = device->dev_rsize; > + start = kmemdup(start, size, GFP_KERNEL); > + if (start == NULL) > + return -ENOMEM; > + How do you avoid memory leak on 'start' here? -- Jiri Kosina SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
