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-rw-r--r--kernel/trace/bpf_trace.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c
index 132c8be6f635..0a06ea6638fe 100644
--- a/kernel/trace/bpf_trace.c
+++ b/kernel/trace/bpf_trace.c
@@ -1270,7 +1270,7 @@ __bpf_kfunc_start_defs();
* Return: a bpf_key pointer with a valid key pointer if the key is found, a
* NULL pointer otherwise.
*/
-__bpf_kfunc struct bpf_key *bpf_lookup_user_key(u32 serial, u64 flags)
+__bpf_kfunc struct bpf_key *bpf_lookup_user_key(s32 serial, u64 flags)
{
key_ref_t key_ref;
struct bpf_key *bkey;