5.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: Dipendra Khadka <kdipendra88@xxxxxxxxx>
[ 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@xxxxxxxxx>
Reviewed-by: Simon Horman <horms@xxxxxxxxxx>
Signed-off-by: Andrew Lunn <andrew@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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 95f21dfdba483..942ec8f394559 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/cn10k.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/cn10k.c
@@ -202,6 +202,11 @@ 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
