Re: [PATCH v4] USB: host: isp116x: Check for null res pointer

[Greg KH]

On Tue, Dec 21, 2021 at 09:56:58AM +0800, Jiasheng Jiang wrote:
> And I correct my commit message because platform_get_resource returns
> null if fails.
> Here is it.
> The return value of platform_get_resource() could be null when there is
> no suitable resource.
> So it should be better to check it to avoid the use of null pointer in
> release_mem_region().
> 
> Fixes: 4808a1c02611 ("[PATCH] USB: Add isp116x-hcd USB host controller driver")
> Signed-off-by: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
> ---
> Changelog:
> 
> v3 -> v4
> 
> *Change 1. Just skip the use of null pointer instead of directly return.
> *Change 2. Add the driver name in the subject line.
> *Change 3. Correct commit message.
> ---
>  drivers/usb/host/isp116x-hcd.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)

*plonk*