[dpdk-dev] [PATCH] common/cnxk: fix Coverity issues

[<psatheesh@marvell.com>]

From: Satheesh Paul <psatheesh@marvell.com>

Fix Out-of-bounds access and remove dead code
reported by Coverity.

Coverity issue: 384431, 384439, 380992
Fixes: 585bb3e538f9 ("common/cnxk: add VF support to base device class")
Fixes: da1ec39060b2 ("common/cnxk: delay inline device RQ enable to dev start")
Cc: stable@dpdk.org

Signed-off-by: Satheesh Paul <psatheesh@marvell.com>
Reviewed-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
Reviewed-by: Harman Kalra <hkalra@marvell.com>
---
 drivers/common/cnxk/roc_dev.c     | 2 ++
 drivers/common/cnxk/roc_nix_inl.c | 3 +--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/common/cnxk/roc_dev.c b/drivers/common/cnxk/roc_dev.c
index 084343c3b4..14aff233d5 100644
--- a/drivers/common/cnxk/roc_dev.c
+++ b/drivers/common/cnxk/roc_dev.c
@@ -502,6 +502,8 @@ pf_vf_mbox_send_up_msg(struct dev *dev, void *rec_msg)
 	size_t size;
 
 	size = PLT_ALIGN(mbox_id2size(msg->hdr.id), MBOX_MSG_ALIGN);
+	if (size < sizeof(struct mbox_msghdr))
+		return;
 	/* Send UP message to all VF's */
 	for (vf = 0; vf < vf_mbox->ndevs; vf++) {
 		/* VF active */
diff --git a/drivers/common/cnxk/roc_nix_inl.c b/drivers/common/cnxk/roc_nix_inl.c
index a205c658e9..7dbeae5017 100644
--- a/drivers/common/cnxk/roc_nix_inl.c
+++ b/drivers/common/cnxk/roc_nix_inl.c
@@ -677,8 +677,7 @@ roc_nix_reassembly_configure(uint32_t max_wait_time, uint16_t max_frags)
 		return -EFAULT;
 
 	PLT_SET_USED(max_frags);
-	if (idev == NULL)
-		return -ENOTSUP;
+
 	roc_cpt = idev->cpt;
 	if (!roc_cpt) {
 		plt_err("Cannot support inline inbound, cryptodev not probed");
-- 
2.39.2