Hello,
thank you for finding this!
On Sat, Apr 7, 2018 at 1:04 AM, Rishabh Bhatnagar
<rishabhb@xxxxxxxxxxxxxx> wrote:
> In file drivers/usb/core/phy.c line 114, ret variable is assigned to
> itself. The following error was observed:
>
> kernel/drivers/usb/core/phy.c:114:8: warning: explicitly assigning value of
> variable of type 'int' to itself [-Wself-assign] error, forbidden
> warning: phy.c:114
> This error was found when compiling with Clang. Change it to ret = err.
I found the same bug myself two weeks ago and already sent a patch: [0]
it has not made it to Greg's tree yet. Greg asked me to re-send that
patch along with some others after -rc1 is out: [1]
> Fixes: commit 07dbff0ddbd8 ("usb: core: add a wrapper for the USB PHYs on the HCD")
> Signed-off-by: Rishabh Bhatnagar <rishabhb@xxxxxxxxxxxxxx>
would you like me to add your Acked-by or Signed-off-by to my patch?
> ---
> drivers/usb/core/phy.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/usb/core/phy.c b/drivers/usb/core/phy.c
> index 09b7c43..f19aaa3 100644
> --- a/drivers/usb/core/phy.c
> +++ b/drivers/usb/core/phy.c
> @@ -111,7 +111,7 @@ int usb_phy_roothub_exit(struct usb_phy_roothub *phy_roothub)
> list_for_each_entry(roothub_entry, head, list) {
> err = phy_exit(roothub_entry->phy);
> if (err)
> - ret = ret;
> + ret = err;
> }
>
> return ret;
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>
Regards
Martin
[0] http://lists.infradead.org/pipermail/linux-amlogic/2018-March/006819.html
[1] http://lists.infradead.org/pipermail/linux-amlogic/2018-April/006977.html
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