From mboxrd@z Thu Jan 1 00:00:00 1970 From: Zhen Lei Subject: [PATCH v7 03/14] arm64/numa: add nid check for memory block Date: Wed, 24 Aug 2016 15:44:42 +0800 Message-ID: <1472024693-12912-4-git-send-email-thunder.leizhen@huawei.com> References: <1472024693-12912-1-git-send-email-thunder.leizhen@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1472024693-12912-1-git-send-email-thunder.leizhen@huawei.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Catalin Marinas , Will Deacon , linux-arm-kernel , linux-kernel , Rob Herring , Frank Rowand , devicetree Cc: Xinwei Hu , Zhen Lei , Zefan Li , Hanjun Guo , Tianhong Ding List-Id: devicetree@vger.kernel.org Use the same tactic to cpu and numa-distance nodes. Signed-off-by: Zhen Lei --- drivers/of/of_numa.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/of/of_numa.c b/drivers/of/of_numa.c index 7b3fbdc..afaeb9c 100644 --- a/drivers/of/of_numa.c +++ b/drivers/of/of_numa.c @@ -75,6 +75,11 @@ static int __init of_numa_parse_memory_nodes(void) */ continue; + if (nid >= MAX_NUMNODES) { + pr_warn("NUMA: Node id %u exceeds maximum value\n", nid); + return -EINVAL; + } + for (i = 0; !r && !of_address_to_resource(np, i, &rsrc); i++) r = numa_add_memblk(nid, rsrc.start, rsrc.end + 1); -- 2.5.0