> On September 30, 2019 at 5:28 PM Fabien Parent <fparent@xxxxxxxxxxxx> wrote: > > > Since commit abf4923e97c3 ("i2c: mediatek: disable zero-length transfers > for mt8183"), there is a NULL pointer dereference for all the SoCs > that don't have any quirk. mtk_i2c_functionality is not checking that > the quirks pointer is not NULL before starting to use it. > > This commit add a call to i2c_check_quirks which will check whether > the quirks pointer is set, and if so will check if the IP has the > NO_ZERO_LEN quirk. > > Fixes: abf4923e97c3 ("i2c: mediatek: disable zero-length transfers for mt8183") > Signed-off-by: Fabien Parent <fparent@xxxxxxxxxxxx> Thank you! Tested successfully on Acer R13 Chromebook (mt8173). Tested-by: Ulrich Hecht <uli@xxxxxxxx> CU Uli