Merge "disp: msm: dsi: add check before buffer copy" (0f2a4261) · Commits · e / devices / android_kernel_xiaomi_sm6125

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

+2 −3

Original line number	Diff line number	Diff line
		@@ -118,7 +118,7 @@ static ssize_t debugfs_state_info_read(struct file *file,
		dsi_ctrl->clk_freq.pix_clk_rate,
		dsi_ctrl->clk_freq.esc_clk_rate);

		/* TODO: make sure that this does not exceed 4K */
		len = min_t(size_t, len, SZ_4K);
		if (copy_to_user(buff, buf, len)) {
		kfree(buf);
		return -EFAULT;
		@@ -173,8 +173,7 @@ static ssize_t debugfs_reg_dump_read(struct file *file,
		return rc;
		}


		/* TODO: make sure that this does not exceed 4K */
		len = min_t(size_t, len, SZ_4K);
		if (copy_to_user(buff, buf, len)) {
		kfree(buf);
		return -EFAULT;