| Message ID | 1492697401-11211-10-git-send-email-atull@kernel.org (mailing list archive) |
|---|---|
| State | Superseded, archived |
| Headers | show |
diff --git a/drivers/fpga/fpga-region.c b/drivers/fpga/fpga-region.c index c2730a8..d6f2313 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
Prevent applying more than one overlay to a region. This fixes a slow warning that happens when more than one overlay is applied and then removed. Signed-off-by: Alan Tull <atull@kernel.org> --- v2: split out from another patch --- drivers/fpga/fpga-region.c | 5 +++++ 1 file changed, 5 insertions(+)