[PATCH bpf-next] bpf: Remove redundant assignment to smap->map.value_size

From: Yuntao Wang
Date: Wed Mar 23 2022 - 03:37:05 EST


The attr->value_size is already assigned to smap->map.value_size
in bpf_map_init_from_attr(), there is no need to do it again in
stack_map_alloc()

Signed-off-by: Yuntao Wang <ytcoode@xxxxxxxxx>
---
kernel/bpf/stackmap.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/kernel/bpf/stackmap.c b/kernel/bpf/stackmap.c
index 34725bfa1e97..6131b4a19572 100644
--- a/kernel/bpf/stackmap.c
+++ b/kernel/bpf/stackmap.c
@@ -106,7 +106,6 @@ static struct bpf_map *stack_map_alloc(union bpf_attr *attr)
return ERR_PTR(-ENOMEM);

bpf_map_init_from_attr(&smap->map, attr);
- smap->map.value_size = value_size;
smap->n_buckets = n_buckets;

err = get_callchain_buffers(sysctl_perf_event_max_stack);
--
2.35.0.rc2