Merge "drm/msm/dsi-staging: validate dsi command size before sending command." (8ef25401) · Commits · e / devices / android_kernel_xiaomi_sm6125

drivers/gpu/drm/msm/dsi-staging/dsi_ctrl.c

+12 −0

Original line number	Diff line number	Diff line
		@@ -1076,7 +1076,19 @@ int dsi_message_validate_tx_mode(struct dsi_ctrl *dsi_ctrl,
		pr_err(" Cannot transfer command,ops not defined\n");
		return -ENOTSUPP;
		}
		if ((cmd_len + 4) > SZ_4K) {
		pr_err("Cannot transfer,size is greater than 4096\n");
		return -ENOTSUPP;
		}
		}

		if (*flags & DSI_CTRL_CMD_FETCH_MEMORY) {
		if ((dsi_ctrl->cmd_len + cmd_len + 4) > SZ_4K) {
		pr_err("Cannot transfer,size is greater than 4096\n");
		return -ENOTSUPP;
		}
		}

		return rc;
		}