linux-kernel - Re: [PATCH] usb: yurex: fixed sparse warning of incorrect type

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Message-ID: <20141103094951.GA3153@sudip-PC>
Date:	Mon, 3 Nov 2014 15:19:51 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: yurex: fixed sparse warning of incorrect type

On Fri, Oct 10, 2014 at 06:19:45PM +0530, Sudip Mukherjee wrote:
> fixed sparse warning of
> 	1) incorrect type (different address spaces)
> 	2) incorrect type in initializer
> 
> Signed-off-by: Sudip Mukherjee <sudip@...torindia.org>
> ---
>  drivers/usb/misc/yurex.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c
> index c3a45da..343fa6f 100644
> --- a/drivers/usb/misc/yurex.c
> +++ b/drivers/usb/misc/yurex.c
> @@ -410,7 +410,8 @@ static int yurex_release(struct inode *inode, struct file *file)
>  	return 0;
>  }
>  
> -static ssize_t yurex_read(struct file *file, char *buffer, size_t count, loff_t *ppos)
> +static ssize_t yurex_read(struct file *file, char __user *buffer, size_t count,
> +			  loff_t *ppos)
>  {
>  	struct usb_yurex *dev;
>  	int retval = 0;
> @@ -444,7 +445,8 @@ exit:
>  	return retval;
>  }
>  
> -static ssize_t yurex_write(struct file *file, const char *user_buffer, size_t count, loff_t *ppos)
> +static ssize_t yurex_write(struct file *file, const char __user *user_buffer,
> +			   size_t count, loff_t *ppos)
>  {
>  	struct usb_yurex *dev;
>  	int i, set = 0, retval = 0;
> -- 
> 1.8.1.2
> 
gentle ping

thanks
sudip
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