[PATCH] crypto: octeontx2 - unlock on allocation error

[PATCH] crypto: octeontx2 - unlock on allocation error

[Dan Carpenter]

Unlock before returning if these allocations fail.

Fixes: 4363f3d3ce8f ("crypto: octeontx2 - add synchronization between mailbox accesses")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
 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