6.11-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 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; -- 2.43.0