[PATCH bpf-next 4/6] trace/bpf: allow %o modifier in bpf_trace_printk

Alexei Starovoitov
2018-10-04T02:57:57Z

Allow %o modifier in bpf_trace_printk() helper

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---
kernel/trace/bpf_trace.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c
index 08fcfe440c63..b993efef1a4b 100644
--- a/kernel/trace/bpf_trace.c
+++ b/kernel/trace/bpf_trace.c
@@ -233,7 +233,7 @@ BPF_CALL_5(bpf_trace_printk, char *, fmt, u32, fmt_size, u64, arg1,
i++;
}

- if (fmt[i] != 'i' && fmt[i] != 'd' &&
+ if (fmt[i] != 'i' && fmt[i] != 'd' && fmt[i] != 'o' &&
fmt[i] != 'u' && fmt[i] != 'x')
return -EINVAL;
fmt_cnt++;
--
2.17.1