Re: [PATCH 2/2] usb: gadget: Fix memleak in gadgetfs_fill_super

[Peter Chen <peter.chen@nxp.com>]

On 20-11-16 20:17:10, Zhang Qilong wrote:
> usb_get_gadget_udc_name will alloc memory for CHIP
> in "Enomem" branch. we should free it before error
> returns to prevent memleak.
> 
> Fixes: 175f712119c57 ("usb: gadget: provide interface for legacy gadgets to get UDC name")
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
> ---
>  drivers/usb/gadget/legacy/inode.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c
> index 1b430b36d0a6..3cefc27be098 100644
> --- a/drivers/usb/gadget/legacy/inode.c
> +++ b/drivers/usb/gadget/legacy/inode.c
> @@ -2039,6 +2039,9 @@ gadgetfs_fill_super (struct super_block *sb, struct fs_context *fc)
>  	return 0;
>  
>  Enomem:
> +	free(CHIP);
> +	CHIP = NULL;
> +
>  	return -ENOMEM;
>  }

It seems the dev_new also allocate the memory, would you please change
it too, also, create a new goto entry for it.
-- 

Thanks,
Peter Chen