5.15-stable review patch. If anyone has any objections, please let me know.
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From: Dipendra Khadka kdipendra88@gmail.com
[ 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 --- 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;