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Date: Sun, 31 May 2020 12:15:47 +0300 From: Oded Gabbay <oded.gabbay@...il.com> To: linux-kernel@...r.kernel.org, SW_Drivers@...ana.ai Cc: gregkh@...uxfoundation.org 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 <lkp@...el.com> 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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