[RFC PATCH] libbpf: Change hash_combine parameters from long to __u32

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The hash_combine() could be trapped when compiled with sanitizer like "zig cc".
This patch changes parameters to __u32 to fix it.

Signed-off-by: Sidong Yang <sidong.yang@xxxxxxxxxx>
---
 tools/lib/bpf/btf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/lib/bpf/btf.c b/tools/lib/bpf/btf.c
index 8befb8103e32..11ccb5aa4958 100644
--- a/tools/lib/bpf/btf.c
+++ b/tools/lib/bpf/btf.c
@@ -3548,7 +3548,7 @@ struct btf_dedup {
 	struct strset *strs_set;
 };
 
-static long hash_combine(long h, long value)
+static __u32 hash_combine(__u32 h, __u32 value)
 {
 	return h * 31 + value;
 }
-- 
2.42.0





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