linux-kernel - [PATCH 5.4 147/147] bpf: Test_progs, fix test_get_stack_rawtp

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Message-Id: <20200518173531.196702589@linuxfoundation.org>
Date:   Mon, 18 May 2020 19:37:50 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 5.4 147/147] bpf: Test_progs, fix test_get_stack_rawtp_err.c build

From: Kamal Mostafa <kamal@...onical.com>

The linux-5.4.y commit 8781011a302b ("bpf: Test_progs, add test to catch
retval refine error handling") fails to build when libbpf headers are
not installed, as it tries to include <bpf/bpf_helpers.h>:

  progs/test_get_stack_rawtp_err.c:4:10:
      fatal error: 'bpf/bpf_helpers.h' file not found

For 5.4-stable (only) the new test prog needs to include "bpf_helpers.h"
instead (like all the rest of progs/*.c do) because 5.4-stable does not
carry commit e01a75c15969 ("libbpf: Move bpf_{helpers, helper_defs,
endian, tracing}.h into libbpf").

Signed-off-by: Kamal Mostafa <kamal@...onical.com>
Fixes: 8781011a302b ("bpf: Test_progs, add test to catch retval refine error handling")
Cc: <stable@...r.kernel.org> # v5.4
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 tools/testing/selftests/bpf/progs/test_get_stack_rawtp_err.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/tools/testing/selftests/bpf/progs/test_get_stack_rawtp_err.c
+++ b/tools/testing/selftests/bpf/progs/test_get_stack_rawtp_err.c
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 
 #include <linux/bpf.h>
-#include <bpf/bpf_helpers.h>
+#include "bpf_helpers.h"
 
 #define MAX_STACK_RAWTP 10