Commit aff5d9d3 authored by Tomer Tayar's avatar Tomer Tayar Committed by Oded Gabbay
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habanalabs: check the return value of hl_cs_poll_fences() 



As part of handling of the multi-CS wait ioctl, hl_cs_poll_fences() is
called in a "while (true)" loop. This function can fail, but the
checking of its return value was missed.
Add this check and exit the loop in case of a failure.

Signed-off-by: default avatarTomer Tayar <ttayar@habana.ai>
Reviewed-by: default avatarOded Gabbay <ogabbay@kernel.org>
Signed-off-by: default avatarOded Gabbay <ogabbay@kernel.org>
parent 085686fb

drivers/misc/habanalabs/common/command_submission.c

+1 −1
Original line number Diff line number Diff line
@@ -2739,7 +2739,7 @@ static int hl_multi_cs_wait_ioctl(struct hl_fpriv *hpriv, void *data) 
		mcs_data.update_ts = false;

		rc = hl_cs_poll_fences(&mcs_data, mcs_compl);



		if (mcs_data.completion_bitmap)

		if (rc || mcs_data.completion_bitmap)

			break;



		/*