diff options
| -rw-r--r-- | drivers/misc/habanalabs/common/command_buffer.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/common/command_buffer.c b/drivers/misc/habanalabs/common/command_buffer.c index 68dfbafe3354..6563e4dfe7b6 100644 --- a/drivers/misc/habanalabs/common/command_buffer.c +++ b/drivers/misc/habanalabs/common/command_buffer.c @@ -304,7 +304,11 @@ int hl_cb_mmap(struct hl_fpriv *hpriv, struct vm_area_struct *vma) u32 handle, user_cb_size; int rc; + /* We use the page offset to hold the idr and thus we need to clear + * it before doing the mmap itself + */ handle = vma->vm_pgoff; + vma->vm_pgoff = 0; /* reference was taken here */ cb = hl_cb_get(hdev, &hpriv->cb_mgr, handle); |