Commit 6e8a8123 authored Jan 02, 2025 by Dipendra Khadka Committed by Jinjie Ruan Jan 02, 2025

octeontx2-pf: handle otx2_mbox_get_rsp errors in cn10k.c

stable inclusion
from stable-v6.6.64
commit c5a6c5af434671aea739a5a41c849819144f02c9
category: bugfix
bugzilla: https://gitee.com/src-openeuler/kernel/issues/IBEGFA
CVE: CVE-2024-56726

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=c5a6c5af434671aea739a5a41c849819144f02c9



--------------------------------

[ Upstream commit ac9183023b6a9c09467516abd8aab04f9a2f9564 ]

Add error pointer check after calling otx2_mbox_get_rsp().

Fixes: 2ca89a2c ("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>
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>

parent 9a995c05

drivers/net/ethernet/marvell/octeontx2/nic/cn10k.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -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;