From 04729b418f8b031712e6dbf5bffa7d639f8f211e Mon Sep 17 00:00:00 2001 From: Moti Haimovski Date: Thu, 13 Apr 2023 13:54:40 +0300 Subject: [PATCH] accel/habanalabs: call to HW/FW err returns 0 when no events exist 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 Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay --- .../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;