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Fixes: 4363f3d3ce8f ("crypto: octeontx2 - add synchronization between mailbox accesses") Signed-off-by: Dan Carpenter --- drivers/crypto/marvell/octeontx2/otx2_cptpf_main.c | 3 ++- drivers/crypto/marvell/octeontx2/otx2_cptpf_mbox.c | 4 +++- 2 files changed, 5 insertions(+), 2 deletion(-) diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptpf_main.c b/drivers/crypto/marvell/octeontx2/otx2_cptpf_main.c index 17a9dd20c8c3..15a9cff4beba 100644 --- a/drivers/crypto/marvell/octeontx2/otx2_cptpf_main.c +++ b/drivers/crypto/marvell/octeontx2/otx2_cptpf_main.c @@ -144,7 +144,7 @@ static void cptpf_flr_wq_handler(struct work_struct *work) req = otx2_mbox_alloc_msg_rsp(mbox, 0, sizeof(*req), sizeof(struct msg_rsp)); if (!req) - return; + goto out_unlock; req->sig = OTX2_MBOX_REQ_SIG; req->id = MBOX_MSG_VF_FLR; @@ -164,6 +164,7 @@ static void cptpf_flr_wq_handler(struct work_struct *work) otx2_cpt_write64(pf->reg_base, BLKADDR_RVUM, 0, RVU_PF_VFFLR_INT_ENA_W1SX(reg), BIT_ULL(vf)); } +out_unlock: mutex_unlock(&pf->lock); } diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptpf_mbox.c b/drivers/crypto/marvell/octeontx2/otx2_cptpf_mbox.c index fee758b86d29..dee0aa60b698 100644 --- a/drivers/crypto/marvell/octeontx2/otx2_cptpf_mbox.c +++ b/drivers/crypto/marvell/octeontx2/otx2_cptpf_mbox.c @@ -20,8 +20,10 @@ static int forward_to_af(struct otx2_cptpf_dev *cptpf, mutex_lock(&cptpf->lock); msg = otx2_mbox_alloc_msg(&cptpf->afpf_mbox, 0, size); - if (msg == NULL) + if (msg == NULL) { + mutex_unlock(&cptpf->lock); return -ENOMEM; + } memcpy((uint8_t *)msg + sizeof(struct mbox_msghdr), (uint8_t *)req + sizeof(struct mbox_msghdr), size); -- 2.20.1