Hi Dan,
Can you send me an updated patch for commit 1e6ed41e7e29 that includes
this fix? I haven't queued this to Greg yet, and I would like to avoid
introducing bugs on bisect.
Thanks,
Sarah Sharp
On Thu, Dec 05, 2013 at 10:00:00AM -0800, Dan Williams wrote:
> Smatch says:
> drivers/usb/core/hub.c:4324 hub_port_init() warn: possible memory leak of
> 'buf'
>
> Fixes: 1e6ed41e7e29 ("usb: xhci: change enumeration scheme to 'new scheme' by
> default")
> Reported-by: Dan Carpenter <[email protected]>
> Signed-off-by: Dan Williams <[email protected]>
> ---
> drivers/usb/core/hub.c | 8 ++++----
> 1 files changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
> index 98a8af51d8a4..704f164b37d6 100644
> --- a/drivers/usb/core/hub.c
> +++ b/drivers/usb/core/hub.c
> @@ -4137,6 +4137,10 @@ hub_port_init (struct usb_hub *hub, struct usb_device
> *udev, int port1,
> int r = 0;
>
> did_new_scheme = true;
> + retval = hub_enable_device(udev);
> + if (retval < 0)
> + goto fail;
> +
> #define GET_DESCRIPTOR_BUFSIZE 64
> buf = kmalloc(GET_DESCRIPTOR_BUFSIZE, GFP_NOIO);
> if (!buf) {
> @@ -4144,10 +4148,6 @@ hub_port_init (struct usb_hub *hub, struct usb_device
> *udev, int port1,
> continue;
> }
>
> - retval = hub_enable_device(udev);
> - if (retval < 0)
> - goto fail;
> -
> /* Retry on all errors; some devices are flakey.
> * 255 is for WUSB devices, we actually need to use
> * 512 (WUSB1.0[4.8.1]).
>
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