From: Yu Jiaoliang Date: Wed, 21 Aug 2024 08:14:45 +0000 (+0800) Subject: nfp: bpf: Use kmemdup_array instead of kmemdup for multiple allocation X-Git-Tag: v6.12-rc1~232^2~201 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d6f75d86aa786740ef7a7607685e9e1039e30aab;p=thirdparty%2Flinux.git nfp: bpf: Use kmemdup_array instead of kmemdup for multiple allocation Let the kememdup_array() take care about multiplication and possible overflows. Signed-off-by: Yu Jiaoliang Signed-off-by: Louis Peens Reviewed-by: Simon Horman Link: https://patch.msgid.link/20240821081447.12430-1-yujiaoliang@vivo.com Signed-off-by: Paolo Abeni --- diff --git a/drivers/net/ethernet/netronome/nfp/bpf/jit.c b/drivers/net/ethernet/netronome/nfp/bpf/jit.c index df2ab5cbd49bd..3a02eef58cc6d 100644 --- a/drivers/net/ethernet/netronome/nfp/bpf/jit.c +++ b/drivers/net/ethernet/netronome/nfp/bpf/jit.c @@ -4537,8 +4537,8 @@ void *nfp_bpf_relo_for_vnic(struct nfp_prog *nfp_prog, struct nfp_bpf_vnic *bv) u64 *prog; int err; - prog = kmemdup(nfp_prog->prog, nfp_prog->prog_len * sizeof(u64), - GFP_KERNEL); + prog = kmemdup_array(nfp_prog->prog, nfp_prog->prog_len, sizeof(u64), + GFP_KERNEL); if (!prog) return ERR_PTR(-ENOMEM);