1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/fpga/fpga-region.c b/drivers/fpga/fpga-region.c
index afac5433978b..35af952a889a 100644
--- a/drivers/fpga/fpga-region.c
+++ b/drivers/fpga/fpga-region.c
@@ -355,6 +355,11 @@ static int fpga_region_notify_pre_apply(struct fpga_region *region,
         const char *firmware_name;
         int ret;
 
+        if (region->info) {
+                dev_err(dev, "Region already has overlay applied.\n");
+                return -EINVAL;
+        }
+
         /*
          * Reject overlay if child FPGA Regions added in the overlay have
          * firmware-name property (would mean that an FPGA region that has