bpf: change int cmd argument in __sys_bpf into typed enum bpf_cmd

This improves BTF data recorded about this function and makes
debugging/tracing better, because now command can be displayed as
symbolic name, instead of obscure number.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20240905210520.2252984-1-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index fc62f5c..6988e43 100644 (file)
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -5670,7 +5670,7 @@ static int token_create(union bpf_attr *attr)
        return bpf_token_create(attr);
 }
 
-static int __sys_bpf(int cmd, bpfptr_t uattr, unsigned int size)
+static int __sys_bpf(enum bpf_cmd cmd, bpfptr_t uattr, unsigned int size)
 {
        union bpf_attr attr;
        int err;