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Message-ID: <20241017191037.32901-1-kdipendra88@gmail.com>
Date: Thu, 17 Oct 2024 19:10:36 +0000
From: Dipendra Khadka <kdipendra88@...il.com>
To: Sunil Goutham <sgoutham@...vell.com>,
	Geetha sowjanya <gakula@...vell.com>,
	Subbaraya Sundeep <sbhatta@...vell.com>,
	hariprasad <hkelam@...vell.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>
Cc: Dipendra Khadka <kdipendra88@...il.com>,
	horms@...nel.org,
	netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v4 4/6] octeontx2-pf: handle otx2_mbox_get_rsp errors in cn10k.c

Add error pointer check after calling otx2_mbox_get_rsp().

Fixes: 2ca89a2c3752 ("octeontx2-pf: TC_MATCHALL ingress ratelimiting offload")
Signed-off-by: Dipendra Khadka <kdipendra88@...il.com>
---
 drivers/net/ethernet/marvell/octeontx2/nic/cn10k.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/cn10k.c b/drivers/net/ethernet/marvell/octeontx2/nic/cn10k.c
index c1c99d7054f8..7417087b6db5 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/cn10k.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/cn10k.c
@@ -203,6 +203,11 @@ int cn10k_alloc_leaf_profile(struct otx2_nic *pfvf, u16 *leaf)
 
 	rsp = (struct  nix_bandprof_alloc_rsp *)
 	       otx2_mbox_get_rsp(&pfvf->mbox.mbox, 0, &req->hdr);
+	if (IS_ERR(rsp)) {
+		rc = PTR_ERR(rsp);
+		goto out;
+	}
+
 	if (!rsp->prof_count[BAND_PROF_LEAF_LAYER]) {
 		rc = -EIO;
 		goto out;
-- 
2.43.0


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