From 05c8a4fc44a916dd897769ca69b42381f9177ec4 Mon Sep 17 00:00:00 2001 From: Oded Gabbay Date: Mon, 1 Jun 2020 09:56:48 +0300 Subject: [PATCH] habanalabs: correctly cast u64 to void* Use the u64_to_user_ptr(x) kernel macro to correctly cast u64 to void* Reported-by: kbuild test robot Reviewed-by: Omer Shpigelman Signed-off-by: Oded Gabbay Link: https://lore.kernel.org/r/20200601065648.8775-2-oded.gabbay@gmail.com Signed-off-by: Greg Kroah-Hartman --- drivers/misc/habanalabs/command_submission.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/misc/habanalabs/command_submission.c b/drivers/misc/habanalabs/command_submission.c index 75d8302352e5..f82974a916c3 100644 --- a/drivers/misc/habanalabs/command_submission.c +++ b/drivers/misc/habanalabs/command_submission.c @@ -789,7 +789,7 @@ static int cs_ioctl_signal_wait(struct hl_fpriv *hpriv, enum hl_cs_type cs_type, size_to_copy = chunk->num_signal_seq_arr * sizeof(*signal_seq_arr); if (copy_from_user(signal_seq_arr, - (void __user *) chunk->signal_seq_arr, + u64_to_user_ptr(chunk->signal_seq_arr), size_to_copy)) { dev_err(hdev->dev, "Failed to copy signal seq array from user\n");