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*