[PATCH 07/10] accel/habanalabs: call to HW/FW err returns 0 when no events exist
Oded Gabbay
ogabbay at kernel.org
Tue Apr 18 09:39:13 UTC 2023
From: Moti Haimovski <mhaimovski at habana.ai>
This commit modifies the call to retrieve HW or FW error events to
return success when no events are pending, as done in the calls to
other events.
Signed-off-by: Moti Haimovski <mhaimovski at habana.ai>
Reviewed-by: Oded Gabbay <ogabbay at kernel.org>
Signed-off-by: Oded Gabbay <ogabbay at kernel.org>
---
.../habanalabs/common/habanalabs_ioctl.c | 20 +++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/drivers/accel/habanalabs/common/habanalabs_ioctl.c b/drivers/accel/habanalabs/common/habanalabs_ioctl.c
index 203ee857810c..4368e6c9a23a 100644
--- a/drivers/accel/habanalabs/common/habanalabs_ioctl.c
+++ b/drivers/accel/habanalabs/common/habanalabs_ioctl.c
@@ -842,15 +842,15 @@ static int hw_err_info(struct hl_fpriv *hpriv, struct hl_info_args *args)
struct hw_err_info *info;
int rc;
- if ((!user_buf_size) || (!user_buf))
+ if (!user_buf)
return -EINVAL;
- if (user_buf_size < sizeof(struct hl_info_hw_err_event))
- return -ENOMEM;
-
info = &hdev->captured_err_info.hw_err;
if (!info->event_info_available)
- return -ENOENT;
+ return 0;
+
+ if (user_buf_size < sizeof(struct hl_info_hw_err_event))
+ return -ENOMEM;
rc = copy_to_user(user_buf, &info->event, sizeof(struct hl_info_hw_err_event));
return rc ? -EFAULT : 0;
@@ -864,15 +864,15 @@ static int fw_err_info(struct hl_fpriv *hpriv, struct hl_info_args *args)
struct fw_err_info *info;
int rc;
- if ((!user_buf_size) || (!user_buf))
+ if (!user_buf)
return -EINVAL;
- if (user_buf_size < sizeof(struct hl_info_fw_err_event))
- return -ENOMEM;
-
info = &hdev->captured_err_info.fw_err;
if (!info->event_info_available)
- return -ENOENT;
+ return 0;
+
+ if (user_buf_size < sizeof(struct hl_info_fw_err_event))
+ return -ENOMEM;
rc = copy_to_user(user_buf, &info->event, sizeof(struct hl_info_fw_err_event));
return rc ? -EFAULT : 0;
--
2.40.0
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