Commit 4b61d2bd authored by Wojciech Ziemba's avatar Wojciech Ziemba Committed by Herbert Xu
Browse files

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: default avatarWojciech Ziemba <wojciech.ziemba@intel.com>
Signed-off-by: default avatarMarco Chiappero <marco.chiappero@intel.com>
Reviewed-by: default avatarMarco Chiappero <marco.chiappero@intel.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 569b462e

drivers/crypto/qat/qat_common/adf_pfvf_pf_proto.c

+3 −1
Original line number Diff line number Diff line
@@ -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;