bpf: Use PTR_ERR_OR_ZERO in xsk_map_inc()

Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

diff --git a/kernel/bpf/xskmap.c b/kernel/bpf/xskmap.c
index 4cc28e2..942c662 100644 (file)
--- a/kernel/bpf/xskmap.c
+++ b/kernel/bpf/xskmap.c
@@ -21,7 +21,7 @@ int xsk_map_inc(struct xsk_map *map)
        struct bpf_map *m = &map->map;
 
        m = bpf_map_inc(m, false);
-       return IS_ERR(m) ? PTR_ERR(m) : 0;
+       return PTR_ERR_OR_ZERO(m);
 }
 
 void xsk_map_put(struct xsk_map *map)