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Subject[PATCH 2/3] bpf: simplify if-if to if in bpf_kprobe_multi_link_attach
Date
Simplify double 'if' statements to one 'if' statement.

Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
---
kernel/trace/bpf_trace.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c
index 3a8b69ef9a0d..1b0db8f78dc8 100644
--- a/kernel/trace/bpf_trace.c
+++ b/kernel/trace/bpf_trace.c
@@ -2464,11 +2464,9 @@ int bpf_kprobe_multi_link_attach(const union bpf_attr *attr, struct bpf_prog *pr
if (!addrs)
return -ENOMEM;

- if (uaddrs) {
- if (copy_from_user(addrs, uaddrs, size)) {
- err = -EFAULT;
- goto error_addrs;
- }
+ if (uaddrs && copy_from_user(addrs, uaddrs, size)) {
+ err = -EFAULT;
+ goto error_addrs;
} else {
struct user_syms us;

--
2.35.1
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