Re: [PATCH] staging: rtl8712: fix a potential memory leak in r871xu_drv_init()

[Greg KH]

On Tue, Apr 05, 2022 at 12:43:07PM +0800, xkernel.wang@xxxxxxxxxxx wrote:
> From: Xiaoke Wang <xkernel.wang@xxxxxxxxxxx>
> 
> In r871xu_drv_init(), if r8712_init_drv_sw() fails, then the memory
> allocated by r8712_alloc_io_queue() in r8712_usb_dvobj_init() is not
> properly released as there is no action will be performed by
> r8712_usb_dvobj_deinit().
> To properly release it, we should call r8712_free_io_queue() in
> r8712_usb_dvobj_deinit().
> 
> Besides, in r871xu_dev_remove(), r8712_usb_dvobj_deinit() will be called
> by r871x_dev_unload() under condition `padapter->bup` and
> r8712_free_io_queue() is called by r8712_free_drv_sw().
> However, r8712_usb_dvobj_deinit() does not rely on `padapter->bup` and
> calling r8712_free_io_queue() in r8712_free_drv_sw() is negative for
> better understading the code.
> So I move r8712_usb_dvobj_deinit() into r871xu_dev_remove(), and remove
> r8712_free_io_queue() from r8712_free_drv_sw().
> 
> Signed-off-by: Xiaoke Wang <xkernel.wang@xxxxxxxxxxx>
> ---
>  drivers/staging/rtl8712/os_intfs.c | 1 -
>  drivers/staging/rtl8712/usb_intf.c | 6 +++---
>  2 files changed, 3 insertions(+), 4 deletions(-)

I've applied this patch, but dropped all of your other pending ones.
Please fix up the remaining ones like this and resend.

thanks,

greg k-h