From: Dipendra Khadka <kdipendra88@gmail.com>
Date: Thu, 17 Oct 2024 19:10:36 +0000 (+0000)
Subject: octeontx2-pf: handle otx2_mbox_get_rsp errors in cn10k.c
X-Git-Tag: v6.11.11~528
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=41f39f4c67253f802809310be6846ff408c3c758;p=thirdparty%2Fkernel%2Fstable.git

octeontx2-pf: handle otx2_mbox_get_rsp errors in cn10k.c

[ Upstream commit ac9183023b6a9c09467516abd8aab04f9a2f9564 ]

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@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/cn10k.c b/drivers/net/ethernet/marvell/octeontx2/nic/cn10k.c
index c1c99d7054f87..7417087b6db59 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;