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Andrey Ignatov 3615353218 libbpf: Fix compile error in libbpf_attach_type_by_name
Arnaldo Carvalho de Melo reported build error in libbpf when clang
version 3.8.1-24 (tags/RELEASE_381/final) is used:

libbpf.c:2201:36: error: comparison of constant -22 with expression of
type 'const enum bpf_attach_type' is always false
[-Werror,-Wtautological-constant-out-of-range-compare]
                if (section_names[i].attach_type == -EINVAL)
                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^  ~~~~~~~
1 error generated.

Fix the error by keeping "is_attachable" property of a program in a
separate struct field instead of trying to use attach_type itself.

Fixes: 956b620fcf ("libbpf: Introduce libbpf_attach_type_by_name")
Reported-by: Arnaldo Carvalho de Melo <acme@kernel.org>
Signed-off-by: Andrey Ignatov <rdna@fb.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-10-31 23:06:17 +01:00
arch ARM: SoC platform updates for 4.20 2018-10-29 15:37:33 -07:00
block Merge branch 'akpm' (patches from Andrew) 2018-10-26 19:33:41 -07:00
certs
crypto
Documentation Documentation: ip-sysctl.txt: Document tcp_fwmark_accept 2018-10-29 20:41:52 -07:00
drivers net: mvpp2: Fix affinity hint allocation 2018-10-30 11:34:41 -07:00
firmware
fs media updates for v4.20-rc1 2018-10-29 14:29:58 -07:00
include ipv4/igmp: fix v1/v2 switchback timeout based on rfc3376, 8.12 2018-10-29 20:26:06 -07:00
init
ipc
kernel Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-10-28 20:17:49 -07:00
lib Globally warn on VLA use 2018-10-28 13:26:45 -07:00
LICENSES
mm Merge branch 'xarray' of git://git.infradead.org/users/willy/linux-dax 2018-10-28 11:35:40 -07:00
net bpf: tcp_bpf_recvmsg should return EAGAIN when nonblocking and no data 2018-10-30 23:31:22 +01:00
samples
scripts Globally warn on VLA use 2018-10-28 13:26:45 -07:00
security
sound
tools libbpf: Fix compile error in libbpf_attach_type_by_name 2018-10-31 23:06:17 +01:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
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MAINTAINERS ARM: SoC platform updates for 4.20 2018-10-29 15:37:33 -07:00
Makefile Globally warn on VLA use 2018-10-28 13:26:45 -07:00
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.