clk: imx: off by one in imx_lpcg_parse_clks_from_dt()
authorDan Carpenter <dan.carpenter@oracle.com>
Mon, 28 Feb 2022 07:50:14 +0000 (10:50 +0300)
committerAbel Vesa <abel.vesa@nxp.com>
Fri, 4 Mar 2022 15:06:29 +0000 (17:06 +0200)
The > needs to be >= to prevent an off by one access.

Fixes: d5f1e6a2bb61 ("clk: imx: imx8qxp-lpcg: add parsing clocks from device tree")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Abel Vesa <abel.vesa@nxp.com>
Link: https://lore.kernel.org/r/20220228075014.GD13685@kili
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
drivers/clk/imx/clk-imx8qxp-lpcg.c

index b237580..5e31a6a 100644 (file)
@@ -248,7 +248,7 @@ static int imx_lpcg_parse_clks_from_dt(struct platform_device *pdev,
 
        for (i = 0; i < count; i++) {
                idx = bit_offset[i] / 4;
-               if (idx > IMX_LPCG_MAX_CLKS) {
+               if (idx >= IMX_LPCG_MAX_CLKS) {
                        dev_warn(&pdev->dev, "invalid bit offset of clock %d\n",
                                 i);
                        ret = -EINVAL;