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[bpf-next,2/3] bpf: make an argument const in the bpf_map_sum_elem_count kfunc

Message ID 20230714142100.42265-3-aspsk@isovalent.com
State Superseded
Headers show
Series allow bpf_map_sum_elem_count for all program types | expand

Commit Message

Anton Protopopov July 14, 2023, 2:20 p.m. UTC
We use the map pointer only to read the counter values, no locking
involved, so mark the argument as const.

Signed-off-by: Anton Protopopov <aspsk@isovalent.com>
---
 kernel/bpf/map_iter.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/kernel/bpf/map_iter.c b/kernel/bpf/map_iter.c
index b67996147895..011adb41858e 100644
--- a/kernel/bpf/map_iter.c
+++ b/kernel/bpf/map_iter.c
@@ -197,7 +197,7 @@  __diag_push();
 __diag_ignore_all("-Wmissing-prototypes",
 		  "Global functions as their definitions will be in vmlinux BTF");
 
-__bpf_kfunc s64 bpf_map_sum_elem_count(struct bpf_map *map)
+__bpf_kfunc s64 bpf_map_sum_elem_count(const struct bpf_map *map)
 {
 	s64 *pcount;
 	s64 ret = 0;