From: Wojciech Ziemba Date: Thu, 7 Apr 2022 16:54:47 +0000 (+0100) Subject: crypto: qat - add check for invalid PFVF protocol version 0 X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=4b61d2bd346de12bb62668ae0dc2f332643067a3;p=linux.git crypto: qat - add check for invalid PFVF protocol version 0 PFVF protocol version 0 is not a valid version, but PF drivers currently would report any such version from VFs as compatible. This patch adds an extra check for the invalid PFVF protocol version 0. Signed-off-by: Wojciech Ziemba Signed-off-by: Marco Chiappero Reviewed-by: Marco Chiappero Signed-off-by: Herbert Xu --- diff --git a/drivers/crypto/qat/qat_common/adf_pfvf_pf_proto.c b/drivers/crypto/qat/qat_common/adf_pfvf_pf_proto.c index 588352de1ef0e..c059b98836aaa 100644 --- a/drivers/crypto/qat/qat_common/adf_pfvf_pf_proto.c +++ b/drivers/crypto/qat/qat_common/adf_pfvf_pf_proto.c @@ -242,7 +242,9 @@ static int adf_handle_vf2pf_msg(struct adf_accel_dev *accel_dev, u8 vf_nr, "VersionRequest received from VF%d (vers %d) to PF (vers %d)\n", vf_nr, vf_compat_ver, ADF_PFVF_COMPAT_THIS_VERSION); - if (vf_compat_ver <= ADF_PFVF_COMPAT_THIS_VERSION) + if (vf_compat_ver == 0) + compat = ADF_PF2VF_VF_INCOMPATIBLE; + else if (vf_compat_ver <= ADF_PFVF_COMPAT_THIS_VERSION) compat = ADF_PF2VF_VF_COMPATIBLE; else compat = ADF_PF2VF_VF_COMPAT_UNKNOWN;