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 <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>

diff --git a/drivers/misc/habanalabs/common/device.c b/drivers/misc/habanalabs/common/device.c
index 90e3467..6a98aae 100644 (file)
--- 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) {