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Commit 3226aa95 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "drm/msm/dsi-staging: Add length check before copying to user space"

parents e54c92a9 8e998903

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

+5 −0
Original line number Diff line number Diff line
@@ -121,6 +121,9 @@ static ssize_t debugfs_state_info_read(struct file *file, 
			dsi_ctrl->clk_freq.pix_clk_rate,

			dsi_ctrl->clk_freq.esc_clk_rate);



	if (len > count)

		len = count;



	/* TODO: make sure that this does not exceed 4K */

	if (copy_to_user(buff, buf, len)) {

		kfree(buf);
@@ -176,6 +179,8 @@ static ssize_t debugfs_reg_dump_read(struct file *file, 
		return rc;

	}



	if (len > count)

		len = count;



	/* TODO: make sure that this does not exceed 4K */

	if (copy_to_user(buff, buf, len)) {