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-rw-r--r--drivers/comedi/drivers/amplc_pc236.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/comedi/drivers/amplc_pc236.c b/drivers/comedi/drivers/amplc_pc236.c
index b21e0c906aab..eadee10983bf 100644
--- a/drivers/comedi/drivers/amplc_pc236.c
+++ b/drivers/comedi/drivers/amplc_pc236.c
@@ -45,7 +45,8 @@ static int pc236_attach(struct comedi_device *dev, struct comedi_devconfig *it)
if (!devpriv)
return -ENOMEM;
- ret = comedi_request_region(dev, it->options[0], 0x4);
+ ret = comedi_check_request_region(dev, it->options[0], 0x4,
+ 0, 0xfff, 4);
if (ret)
return ret;