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Diffstat (limited to 'drivers/infiniband/hw/hfi1/file_ops.c')
-rw-r--r--drivers/infiniband/hw/hfi1/file_ops.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hfi1/file_ops.c b/drivers/infiniband/hw/hfi1/file_ops.c
index 7a5b0e676cc7..c702a009608f 100644
--- a/drivers/infiniband/hw/hfi1/file_ops.c
+++ b/drivers/infiniband/hw/hfi1/file_ops.c
@@ -203,6 +203,9 @@ static long hfi1_file_ioctl(struct file *fp, unsigned int cmd,
switch (cmd) {
case HFI1_IOCTL_ASSIGN_CTXT:
+ if (uctxt)
+ return -EINVAL;
+
if (copy_from_user(&uinfo,
(struct hfi1_user_info __user *)arg,
sizeof(uinfo)))
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