Commit 6e1787cf authored Jan 16, 2018 by Lloyd Atkinson Committed by Rob Clark Feb 20, 2018

drm/msm/dsi: correct DSI id bounds check during registration



Check DSI instance id argument against the proper boundary size
to protect against invalid configuration of the DSI id.

Signed-off-by: Lloyd Atkinson <latkinso@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>

parent f0efc831

drivers/gpu/drm/msm/dsi/dsi_manager.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -862,7 +862,7 @@ int msm_dsi_manager_register(struct msm_dsi *msm_dsi)
		int id = msm_dsi->id;
		int ret;

		if (id > DSI_MAX) {
		if (id >= DSI_MAX) {
		pr_err("%s: invalid id %d\n", __func__, id);
		return -EINVAL;
		}