[PATCH bpf-next v4 3/5] bpf: expose bpf_strtol and bpf_strtoul to all program types

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bpf_strncmp is already exposed everywhere. The motivation is to keep
those helpers in kernel/bpf/helpers.c. Otherwise it's tempting to move
them under kernel/bpf/cgroup.c because they are currently only used
by sysctl prog types.

Suggested-by: Martin KaFai Lau <kafai@xxxxxx>
Acked-by: Martin KaFai Lau <kafai@xxxxxx>
Signed-off-by: Stanislav Fomichev <sdf@xxxxxxxxxx>
---
 kernel/bpf/cgroup.c  | 4 ----
 kernel/bpf/helpers.c | 4 ++++
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/kernel/bpf/cgroup.c b/kernel/bpf/cgroup.c
index 7561688cf42a..4301abe214c7 100644
--- a/kernel/bpf/cgroup.c
+++ b/kernel/bpf/cgroup.c
@@ -2133,10 +2133,6 @@ sysctl_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
 		return func_proto;
 
 	switch (func_id) {
-	case BPF_FUNC_strtol:
-		return &bpf_strtol_proto;
-	case BPF_FUNC_strtoul:
-		return &bpf_strtoul_proto;
 	case BPF_FUNC_sysctl_get_name:
 		return &bpf_sysctl_get_name_proto;
 	case BPF_FUNC_sysctl_get_current_value:
diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c
index dd20e2dc6ea6..2f4709378740 100644
--- a/kernel/bpf/helpers.c
+++ b/kernel/bpf/helpers.c
@@ -1619,6 +1619,10 @@ bpf_base_func_proto(enum bpf_func_id func_id)
 		return &bpf_loop_proto;
 	case BPF_FUNC_strncmp:
 		return &bpf_strncmp_proto;
+	case BPF_FUNC_strtol:
+		return &bpf_strtol_proto;
+	case BPF_FUNC_strtoul:
+		return &bpf_strtoul_proto;
 	case BPF_FUNC_dynptr_from_mem:
 		return &bpf_dynptr_from_mem_proto;
 	case BPF_FUNC_dynptr_read:
-- 
2.37.1.595.g718a3a8f04-goog




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