There is a GCC extension (__attribute__ cleanup) [1] gcc which they probably could use if they wanted, given that the kernel relies primarily on gcc (and clang

There is a GCC extension (__attribute__ cleanup) [1] gcc which they probably could use if they wanted, given that the kernel relies primarily on gcc (and clang supports gcc extensions). Probably not allowed through the kernel coding style? [1] https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attribute...