From f0d4944c20819edf4de2c5c17963491d23e213da Mon Sep 17 00:00:00 2001 From: Tomer Tayar Date: Tue, 19 Jul 2022 09:01:53 +0300 Subject: [PATCH] habanalabs: add a missing lock for in_reset indication Add a missing lock in hl_device_resume() when it assigns a value to the 'in_reset' indication. Signed-off-by: Tomer Tayar Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay --- drivers/misc/habanalabs/common/device.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/misc/habanalabs/common/device.c b/drivers/misc/habanalabs/common/device.c index 90e3467..6a98aae 100644 --- a/drivers/misc/habanalabs/common/device.c +++ b/drivers/misc/habanalabs/common/device.c @@ -1091,7 +1091,9 @@ int hl_device_resume(struct hl_device *hdev) /* 'in_reset' was set to true during suspend, now we must clear it in order * for hard reset to be performed */ + spin_lock(&hdev->reset_info.lock); hdev->reset_info.in_reset = 0; + spin_unlock(&hdev->reset_info.lock); rc = hl_device_reset(hdev, HL_DRV_RESET_HARD); if (rc) { -- 2.7.4