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habanalabs: check fence pointer before use

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fence pointer can be NULL in this path, as shown by an earlier check.

Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
This commit is contained in:
Oded Gabbay 2022-06-19 12:35:06 +03:00
parent e41c641856
commit abe85a9c11
1 changed files with 1 additions and 1 deletions
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2
drivers/misc/habanalabs/common/command_submission.c
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@ -2581,7 +2581,7 @@ static int hl_cs_poll_fences(struct multi_cs_data *mcs_data, struct multi_cs_com
* For this we have to validate that the timestamp is
* earliest of all timestamps so far.
*/
if (mcs_data->update_ts &&
if (fence && mcs_data->update_ts &&
(ktime_compare(fence->timestamp, first_cs_time) < 0))
first_cs_time = fence->timestamp;
break;