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Message-Id: <20200601065648.8775-2-oded.gabbay@gmail.com>
Date: Mon, 1 Jun 2020 09:56:48 +0300
From: Oded Gabbay <oded.gabbay@...il.com>
To: linux-kernel@...r.kernel.org, gregkh@...uxfoundation.org
Subject: [PATCH 2/2] 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 <lkp@...el.com>
Reviewed-by: Omer Shpigelman <oshpigelman@...ana.ai>
Signed-off-by: Oded Gabbay <oded.gabbay@...il.com>
---
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");
--
2.17.1
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