This is a note to let you know that I've just added the patch titled octeontx2-pf: handle otx2_mbox_get_rsp errors in cn10k.c to the 5.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: octeontx2-pf-handle-otx2_mbox_get_rsp-errors-in-cn10.patch and it can be found in the queue-5.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit f93a0b0d929ca4240ef1e28adc45307f5004feb5 Author: Dipendra Khadka <kdipendra88@xxxxxxxxx> Date: Thu Oct 17 19:10:36 2024 +0000 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@xxxxxxxxx> Reviewed-by: Simon Horman <horms@xxxxxxxxxx> Signed-off-by: Andrew Lunn <andrew@xxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> 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;