CVE-2025-39846 pcmcia: Fix a NULL pointer dereference in __iodyn_find_io_region()

In the Linux kernel, the following vulnerability has been resolved: pcmcia: Fix a NULL pointer dereference in iodynfindioregion In iodynfindioregion, pcmciamakeresource is assigned to res and used in pcibusallocresource. There is a dereference of res in pcibusallocresource, which could lead to a...