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| author | Tomer Tayar <ttayar@habana.ai> | 2021-12-28 13:47:18 +0200 |
|---|---|---|
| committer | Oded Gabbay <ogabbay@kernel.org> | 2022-02-28 14:22:01 +0200 |
| commit | aff5d9d378e77a45f33cd933b8b8ddac8fe43528 (patch) | |
| tree | 9668a32f763b5d35c0a4c3bb2e252ceeb3227a00 | |
| parent | 085686fb8491a7cbf6a7260d5b9d4169a041c340 (diff) | |
| download | linux-aff5d9d378e77a45f33cd933b8b8ddac8fe43528.tar.bz2 | |
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: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
| -rw-r--r-- | drivers/misc/habanalabs/common/command_submission.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/misc/habanalabs/common/command_submission.c b/drivers/misc/habanalabs/common/command_submission.c index 0a4ef13d9ac4..2f40b937c59f 100644 --- a/drivers/misc/habanalabs/common/command_submission.c +++ b/drivers/misc/habanalabs/common/command_submission.c @@ -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; /* |