diff options
| -rw-r--r-- | drivers/fpga/fpga-region.c | 5 |
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 |