From: kbuild test robot <lkp@xxxxxxxxx> kernel/bpf/xskmap.c:24:8-14: WARNING: PTR_ERR_OR_ZERO can be used Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR Generated by: scripts/coccinelle/api/ptr_ret.cocci Fixes: 0402acd683c6 ("xsk: remove AF_XDP socket from map when the socket is released") CC: Björn Töpel <bjorn.topel@xxxxxxxxx> Signed-off-by: kbuild test robot <lkp@xxxxxxxxx> --- tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next.git master head: 54c851a8cc739ce7f1aaea583940054cdfe2223f commit: 0402acd683c678874df6bdbc23530ca07ea19353 [7165/7710] xsk: remove AF_XDP socket from map when the socket is released xskmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- 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)