CVE-2021-47386 hwmon: (w83791d) Fix NULL pointer dereference by removing unnecessary structure field

In the Linux kernel, the following vulnerability has been resolved: hwmon: w83791d Fix NULL pointer dereference by removing unnecessary structure field If driver read val value sufficient for val & 0x08 && !val & 0x80 && val & 0x7 == val 4 & 0x7 from device then Null pointer dereference occurs. I...