CVE-2023-53561 net: wwan: iosm: fix NULL pointer dereference when removing device

In the Linux kernel, the following vulnerability has been resolved: net: wwan: iosm: fix NULL pointer dereference when removing device In suspend and resume cycle, the removal and rescan of device ends up in NULL pointer dereference. During driver initialization, if the ipcimemwwanchannelinit fai...