Add backend checks to solve methods (gesv, cholesky_solve) (#18116)
Summary:
Changelog:
- Incorporate a simple backend check in the linearSolveCheckInputs function in LinearAlgebraUtils.h
Pull Request resolved: https://github.com/pytorch/pytorch/pull/18116
Differential Revision: D14504469
Pulled By: soumith
fbshipit-source-id: 7402b6dbaa8d73048946613b806d54f68bcbd8f4
