tree 1cde175e8e46e3bebf7f099c0f44465b92052e67
parent 59a641543e181aadaedd400abc090f5b0db13edb
author Andrii Nakryiko <andriin@fb.com> 1559149550 -0700
committer Andrii Nakryiko <andrii.nakryiko@gmail.com> 1559150360 -0700

linux/err.h: add PTR_ERR_OR_ZERO

Add missing PTR_ERR_OR_ZERO implementation. Also add a bunch of
generated files to .gitignore.

Signed-off-by: Andrii Nakryiko <andriin@fb.com>