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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:38 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:38 +0000 |
commit | 08b74a000942a380fe028845f92cd3a0dee827d5 (patch) | |
tree | aa78b4e12607c3e1fcce8d5cc42df4330792f118 /debian/patches/bugfix/all/tools-build-remove-bpf-run-time-check-at-build-time.patch | |
parent | Adding upstream version 4.19.249. (diff) | |
download | linux-08b74a000942a380fe028845f92cd3a0dee827d5.tar.xz linux-08b74a000942a380fe028845f92cd3a0dee827d5.zip |
Adding debian version 4.19.249-2.debian/4.19.249-2debian
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'debian/patches/bugfix/all/tools-build-remove-bpf-run-time-check-at-build-time.patch')
-rw-r--r-- | debian/patches/bugfix/all/tools-build-remove-bpf-run-time-check-at-build-time.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/debian/patches/bugfix/all/tools-build-remove-bpf-run-time-check-at-build-time.patch b/debian/patches/bugfix/all/tools-build-remove-bpf-run-time-check-at-build-time.patch new file mode 100644 index 000000000..39044c390 --- /dev/null +++ b/debian/patches/bugfix/all/tools-build-remove-bpf-run-time-check-at-build-time.patch @@ -0,0 +1,29 @@ +From: Ben Hutchings <ben@decadent.org.uk> +Date: Sun, 21 Feb 2016 15:33:15 +0000 +Subject: tools/build: Remove bpf() run-time check at build time +Forwarded: no + +It is not correct to test that a syscall works on the build system's +kernel. We might be building on an earlier kernel version or with +security restrictions that block bpf(). + +Signed-off-by: Ben Hutchings <ben@decadent.org.uk> +--- +Index: linux/tools/build/feature/test-bpf.c +=================================================================== +--- linux.orig/tools/build/feature/test-bpf.c ++++ linux/tools/build/feature/test-bpf.c +@@ -35,8 +35,10 @@ int main(void) + attr.prog_flags = 0; + + /* +- * Test existence of __NR_bpf and BPF_PROG_LOAD. +- * This call should fail if we run the testcase. ++ * bwh: Don't use the bpf() syscall as we might be building on a ++ * much older kernel. Do "use" the attr structure here to avoid ++ * a "set but not used" warning. + */ +- return syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr)); ++ (void)&attr; ++ return 0; + } |