[PATCH v7 03/14] arm64/numa: add nid check for memory block
From: Will Deacon <hidden>
Date: 2016-08-26 12:39:30
Also in:
linux-devicetree, lkml
On Wed, Aug 24, 2016 at 03:44:42PM +0800, Zhen Lei wrote:
Use the same tactic to cpu and numa-distance nodes. Signed-off-by: Zhen Lei <redacted> --- drivers/of/of_numa.c | 5 +++++ 1 file changed, 5 insertions(+)
The subject has arm64/numa, but this is clearly core OF code and requires an ack from Rob. The commit message also doesn't make much sense to me.
quoted hunk ↗ jump to hunk
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; + }
Do you really want to return from the function here? Shouldn't we at least of_node_put(np), i.e. by using a break; ? Will