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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2024-05-28 22:21:34 +0200
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2024-05-28 22:21:34 +0200
commitf73a058be5d70dd81a43f16b2bbff4b1576a7af8 (patch)
treeb7959c01cf7a5d95c7c4d5b61929ff9123370322 /tools/lib/bpf/libbpf_probes.c
parentdma-buf: handle testing kthreads creation failure (diff)
parentMerge tag 'drm-misc-fixes-2024-05-23' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes (diff)
downloadwireguard-linux-f73a058be5d70dd81a43f16b2bbff4b1576a7af8.tar.xz
wireguard-linux-f73a058be5d70dd81a43f16b2bbff4b1576a7af8.zip
Merge remote-tracking branch 'drm/drm-fixes' into drm-misc-fixes
v6.10-rc1 is released, forward from v6.9 Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'tools/lib/bpf/libbpf_probes.c')
-rw-r--r--tools/lib/bpf/libbpf_probes.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/lib/bpf/libbpf_probes.c b/tools/lib/bpf/libbpf_probes.c
index 302188122439..9dfbe7750f56 100644
--- a/tools/lib/bpf/libbpf_probes.c
+++ b/tools/lib/bpf/libbpf_probes.c
@@ -448,7 +448,8 @@ int libbpf_probe_bpf_helper(enum bpf_prog_type prog_type, enum bpf_func_id helpe
/* If BPF verifier doesn't recognize BPF helper ID (enum bpf_func_id)
* at all, it will emit something like "invalid func unknown#181".
* If BPF verifier recognizes BPF helper but it's not supported for
- * given BPF program type, it will emit "unknown func bpf_sys_bpf#166".
+ * given BPF program type, it will emit "unknown func bpf_sys_bpf#166"
+ * or "program of this type cannot use helper bpf_sys_bpf#166".
* In both cases, provided combination of BPF program type and BPF
* helper is not supported by the kernel.
* In all other cases, probe_prog_load() above will either succeed (e.g.,
@@ -457,7 +458,8 @@ int libbpf_probe_bpf_helper(enum bpf_prog_type prog_type, enum bpf_func_id helpe
* that), or we'll get some more specific BPF verifier error about
* some unsatisfied conditions.
*/
- if (ret == 0 && (strstr(buf, "invalid func ") || strstr(buf, "unknown func ")))
+ if (ret == 0 && (strstr(buf, "invalid func ") || strstr(buf, "unknown func ") ||
+ strstr(buf, "program of this type cannot use helper ")))
return 0;
return 1; /* assume supported */
}