Add missing Markdown code span.
This was found using the Clippy `doc_markdown` lint, which we may want
to enable.
Fixes: cb5164ac43d0 ("drm/panic: Add a QR code panic screen")
Signed-off-by: Miguel Ojeda <ojeda@xxxxxxxxxx>
---
drivers/gpu/drm/drm_panic_qr.rs | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_panic_qr.rs b/drivers/gpu/drm/drm_panic_qr.rs
index 9bd4d131f033..a8f832598c70 100644
--- a/drivers/gpu/drm/drm_panic_qr.rs
+++ b/drivers/gpu/drm/drm_panic_qr.rs
@@ -914,7 +914,7 @@ fn draw_all(&mut self, data: impl Iterator<Item = u8>) {
/// will be encoded as binary segment, otherwise it will be encoded
/// efficiently as a numeric segment, and appended to the URL.
/// * `data_len`: Length of the data, that needs to be encoded, must be less
-/// than data_size.
+/// than `data_size`.
/// * `data_size`: Size of data buffer, it should be at least 4071 bytes to hold
/// a V40 QR code. It will then be overwritten with the QR code image.
/// * `tmp`: A temporary buffer that the QR code encoder will use, to write the