New upstream version 18.11.2

[deb_dpdk.git] / drivers / net / nfp / nfpcore / nfp-common / nfp_cppat.h

diff --git a/drivers/net/nfp/nfpcore/nfp-common/nfp_cppat.h b/drivers/net/nfp/nfpcore/nfp-common/nfp_cppat.h
index 6e380cc..538f882 100644 (file)
--- a/drivers/net/nfp/nfpcore/nfp-common/nfp_cppat.h
+++ b/drivers/net/nfp/nfpcore/nfp-common/nfp_cppat.h
@@ -368,6 +368,9 @@ _nfp6000_encode_mu(uint64_t *addr, int dest_island, int mode, int addr40,
        isld[1] = isld1;
        locality_lsb = _nfp6000_cppat_mu_locality_lsb(mode, addr40);
 
+       if (locality_lsb < 0)
+               return NFP_ERRNO(EINVAL);
+
        if (((*addr >> locality_lsb) & 3) == _NIC_NFP6000_MU_LOCALITY_DIRECT)
                da = 1;
        else