[tip:perf/core] perf bpf-loader: use PTR_ERR_OR_ZERO inetead of return code

Commit-ID: e381d1c21eea186daed6834af444575e06841355 Gitweb: https://git.kernel.org/tip/e381d1c21eea186daed6834af444575e06841355 Author: Ding Xiang AuthorDate: Fri, 7 Sep 2018 09:34:42 +0800 Committer: Arnaldo Carvalho de Melo CommitDate: Wed, 19 Sep 2018 10:25:09 -0300 perf bpf-loader:

[tip:perf/core] tools include: Adopt PTR_ERR_OR_ZERO from the kernel err.h header

Commit-ID: 01ab2e91103b8c23dfedfeb799bc8b810d585bd0 Gitweb: https://git.kernel.org/tip/01ab2e91103b8c23dfedfeb799bc8b810d585bd0 Author: Ding Xiang AuthorDate: Fri, 7 Sep 2018 09:34:41 +0800 Committer: Arnaldo Carvalho de Melo CommitDate: Wed, 19 Sep 2018 10:25:08 -0300 tools include: A