crypto: qat - fix reuse of completion variable

[ Upstream commit 3d655732b0199562267a05c7ff69ecdd11632939 ]

Use reinit_completion() to set to a clean state a completion variable,
used to coordinate the VF to PF request-response flow, before every
new VF request.

Signed-off-by: Marco Chiappero <marco.chiappero@intel.com>
Co-developed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Fiona Trahe <fiona.trahe@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/crypto/qat/qat_common/adf_pf2vf_msg.c b/drivers/crypto/qat/qat_common/adf_pf2vf_msg.c
index b3875fdf6cd722ed1ff6da903a04d2b4feb4ff67..9dab2cc11fdfa76c0c5a0490f0d58ce699fe8ca2 100644 (file)
--- a/drivers/crypto/qat/qat_common/adf_pf2vf_msg.c
+++ b/drivers/crypto/qat/qat_common/adf_pf2vf_msg.c
@@ -361,6 +361,8 @@ static int adf_vf2pf_request_version(struct adf_accel_dev *accel_dev)
        msg |= ADF_PFVF_COMPATIBILITY_VERSION << ADF_VF2PF_COMPAT_VER_REQ_SHIFT;
        BUILD_BUG_ON(ADF_PFVF_COMPATIBILITY_VERSION > 255);
 
+       reinit_completion(&accel_dev->vf.iov_msg_completion);
+
        /* Send request from VF to PF */
        ret = adf_iov_putmsg(accel_dev, msg, 0);
        if (ret) {