CVE-2024-57978 media: imx-jpeg: Fix potential error pointer dereference in detach_pm()

In the Linux kernel, the following vulnerability has been resolved: media: imx-jpeg: Fix potential error pointer dereference in detachpm The proble is on the first line: if jpeg-pddevi && !pmruntimesuspendedjpeg-pddevi If jpeg-pddevi is an error pointer, then passing it to pmruntimesuspended will...