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SubjectRe: [PATCH -mm] sisusbvga: Fix bug and build warnings
On 02/09/07, Satyam Sharma <satyam@infradead.org> wrote:
>
> drivers/usb/misc/sisusbvga/sisusb.c: In function 'usb_sisusb_init':
> drivers/usb/misc/sisusbvga/sisusb.c:3321: warning: unused variable 'sisusb'
> drivers/usb/misc/sisusbvga/sisusb.c:3320: warning: unused variable 'retval'
>
> are trivially solved by getting rid of the unused variables.
>
> drivers/usb/misc/sisusbvga/sisusb.c: In function 'sisusb_open':
> drivers/usb/misc/sisusbvga/sisusb.c:2444: warning: 'sisusb' is used uninitialized in this function
>
> is a genuine bug (which will cause oops). We cannot use "sisusb" in
> error path for (!interface), because sisusb will itself be derived
> from "interface" later.
>
> Signed-off-by: Satyam Sharma <satyam@infradead.org>
>
> ---
>
> drivers/usb/misc/sisusbvga/sisusb.c | 7 +------
> 1 file changed, 1 insertion(+), 6 deletions(-)
>
> --- linux-2.6.23-rc4-mm1/drivers/usb/misc/sisusbvga/sisusb.c‾fix 2007-09-02 19:06:01.000000000 +0530
> +++ linux-2.6.23-rc4-mm1/drivers/usb/misc/sisusbvga/sisusb.c 2007-09-02 19:10:52.000000000 +0530
> @@ -2440,10 +2440,8 @@ sisusb_open(struct inode *inode, struct
> struct usb_interface *interface;
> int subminor = iminor(inode);
>
> - if (!(interface = usb_find_interface(&sisusb_driver, subminor))) {
> - dev_err(&sisusb->sisusb_dev->dev, "Failed to find interface¥n");

Odd how in your patch the line ends with "¥n" but if I look in my
local copy of the source tree I see "\n".


--
Jesper Juhl <jesper.juhl@gmail.com>
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