[PATCH 0/4] samples/bpf: simple fixes

[Taeung Song]

Hello,
This patchset fixes trivial things that I found
when testing 'samples/bpf/' sample code.
I'd appreciate it, if you review this.

Thanks,
Taeung

Taeung Song (4):
  samples/bpf: add missing <linux/if_vlan.h>
  samples/bpf: Check the result of system()
  samples/bpf: Check the error of write() and read()
  samples/bpf: add .gitignore file

 samples/bpf/.gitignore           | 49 ++++++++++++++++++++++++++++++++++++++++
 samples/bpf/parse_varlen.c       |  6 +----
 samples/bpf/test_overhead_user.c | 20 ++++++++++++----
 samples/bpf/trace_event_user.c   | 27 +++++++++++++++++++---
 4 files changed, 89 insertions(+), 13 deletions(-)
 create mode 100644 samples/bpf/.gitignore

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2.7.4