A local variable was used only within an if branch.
Thus move the definition for the variable “mm” into the corresponding
code block.
You did nothing here except add a checkpatch warning :(
elfring@Sonne:~/Projekte/Linux/next-patched> scripts/checkpatch.pl /home/elfring/Projekte/Bau/Linux/scripts/Coccinelle/tuning1/next/20201204/Flicken/0001-cxl-Reduce-scope-for-the-variable-mm-in-cxllib_get_P.patch
total: 0 errors, 0 warnings, 16 lines checked
Regards,
Markus