Signed-off-by: dan love <danlove99@xxxxxxxxxxxxx>
---
drivers/staging/comedi/comedi_fops.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index e85a99b68f31..3f70e5dfac39 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -2169,6 +2169,7 @@ static long comedi_unlocked_ioctl(struct file *file, unsigned int cmd,
break;
case COMEDI_CHANINFO: {
struct comedi_chaninfo it;
+
if (copy_from_user(&it, (void __user *)arg, sizeof(it)))
rc = -EFAULT;
else
@@ -2177,6 +2178,7 @@ static long comedi_unlocked_ioctl(struct file *file, unsigned int cmd,
}
case COMEDI_RANGEINFO: {
struct comedi_rangeinfo it;
+
if (copy_from_user(&it, (void __user *)arg, sizeof(it)))
rc = -EFAULT;
else
@@ -2249,6 +2251,7 @@ static long comedi_unlocked_ioctl(struct file *file, unsigned int cmd,
}
case COMEDI_INSN: {
struct comedi_insn insn;
+
if (copy_from_user(&insn, (void __user *)arg, sizeof(insn)))
rc = -EFAULT;
else
--
2.17.1
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