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-rw-r--r--drivers/acpi/arm64/iort.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
index d4551e33fa71..8569b79e8b58 100644
--- a/drivers/acpi/arm64/iort.c
+++ b/drivers/acpi/arm64/iort.c
@@ -611,8 +611,8 @@ static int iort_dev_find_its_id(struct device *dev, u32 req_id,
/* Move to ITS specific data */
its = (struct acpi_iort_its_group *)node->node_data;
- if (idx > its->its_count) {
- dev_err(dev, "requested ITS ID index [%d] is greater than available [%d]\n",
+ if (idx >= its->its_count) {
+ dev_err(dev, "requested ITS ID index [%d] overruns ITS entries [%d]\n",
idx, its->its_count);
return -ENXIO;
}