Fixes the following sparse warnings:
kernel/bpf/cpumap.c:146:6: warning:
symbol '__cpu_map_queue_destructor' was not declared. Should it be static?
kernel/bpf/cpumap.c:225:16: warning:
symbol 'cpu_map_build_skb' was not declared. Should it be static?
kernel/bpf/cpumap.c:340:26: warning:
symbol '__cpu_map_entry_alloc' was not declared. Should it be static?
kernel/bpf/cpumap.c:398:6: warning:
symbol '__cpu_map_entry_free' was not declared. Should it be static?
kernel/bpf/cpumap.c:441:6: warning:
symbol '__cpu_map_entry_replace' was not declared. Should it be static?
kernel/bpf/cpumap.c:454:5: warning:
symbol 'cpu_map_delete_elem' was not declared. Should it be static?
kernel/bpf/cpumap.c:467:5: warning:
symbol 'cpu_map_update_elem' was not declared. Should it be static?
kernel/bpf/cpumap.c:505:6: warning:
symbol 'cpu_map_free' was not declared. Should it be static?
Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
---
kernel/bpf/cpumap.c | 23 ++++++++++++-----------
1 file changed, 12 insertions(+), 11 deletions(-)
diff --git a/kernel/bpf/cpumap.c b/kernel/bpf/cpumap.c
index ce5b669..d392826 100644
--- a/kernel/bpf/cpumap.c
+++ b/kernel/bpf/cpumap.c
@@ -143,7 +143,7 @@ static struct bpf_map *cpu_map_alloc(union bpf_attr *attr)
return ERR_PTR(err);
}
-void __cpu_map_queue_destructor(void *ptr)
+static void __cpu_map_queue_destructor(void *ptr)
{
/* The tear-down procedure should have made sure that queue is
* empty. See __cpu_map_entry_replace() and work-queue
@@ -222,8 +222,8 @@ static struct xdp_pkt *convert_to_xdp_pkt(struct xdp_buff *xdp)
return xdp_pkt;
}
-struct sk_buff *cpu_map_build_skb(struct bpf_cpu_map_entry *rcpu,
- struct xdp_pkt *xdp_pkt)
+static struct sk_buff *cpu_map_build_skb(struct bpf_cpu_map_entry *rcpu,
+ struct xdp_pkt *xdp_pkt)
{
unsigned int frame_size;
void *pkt_data_start;
@@ -337,7 +337,8 @@ static int cpu_map_kthread_run(void *data)
return 0;
}
-struct bpf_cpu_map_entry *__cpu_map_entry_alloc(u32 qsize, u32 cpu, int map_id)
+static struct bpf_cpu_map_entry *__cpu_map_entry_alloc(u32 qsize, u32 cpu,
+ int map_id)
{
gfp_t gfp = GFP_ATOMIC|__GFP_NOWARN;
struct bpf_cpu_map_entry *rcpu;
@@ -395,7 +396,7 @@ struct bpf_cpu_map_entry *__cpu_map_entry_alloc(u32 qsize, u32 cpu, int map_id)
return NULL;
}
-void __cpu_map_entry_free(struct rcu_head *rcu)
+static void __cpu_map_entry_free(struct rcu_head *rcu)
{
struct bpf_cpu_map_entry *rcpu;
int cpu;
@@ -438,8 +439,8 @@ void __cpu_map_entry_free(struct rcu_head *rcu)
* cpu_map_kthread_stop, which waits for an RCU graze period before
* stopping kthread, emptying the queue.
*/
-void __cpu_map_entry_replace(struct bpf_cpu_map *cmap,
- u32 key_cpu, struct bpf_cpu_map_entry *rcpu)
+static void __cpu_map_entry_replace(struct bpf_cpu_map *cmap,
+ u32 key_cpu, struct bpf_cpu_map_entry *rcpu)
{
struct bpf_cpu_map_entry *old_rcpu;
@@ -451,7 +452,7 @@ void __cpu_map_entry_replace(struct bpf_cpu_map *cmap,
}
}
-int cpu_map_delete_elem(struct bpf_map *map, void *key)
+static int cpu_map_delete_elem(struct bpf_map *map, void *key)
{
struct bpf_cpu_map *cmap = container_of(map, struct bpf_cpu_map, map);
u32 key_cpu = *(u32 *)key;
@@ -464,8 +465,8 @@ int cpu_map_delete_elem(struct bpf_map *map, void *key)
return 0;
}
-int cpu_map_update_elem(struct bpf_map *map, void *key, void *value,
- u64 map_flags)
+static int cpu_map_update_elem(struct bpf_map *map, void *key, void *value,
+ u64 map_flags)
{
struct bpf_cpu_map *cmap = container_of(map, struct bpf_cpu_map, map);
struct bpf_cpu_map_entry *rcpu;
@@ -502,7 +503,7 @@ int cpu_map_update_elem(struct bpf_map *map, void *key, void *value,
return 0;
}
-void cpu_map_free(struct bpf_map *map)
+static void cpu_map_free(struct bpf_map *map)
{
struct bpf_cpu_map *cmap = container_of(map, struct bpf_cpu_map, map);
int cpu;
--
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