From: Han Xu Date: Mon, 29 Mar 2021 18:14:08 +0000 (-0500) Subject: LF-3622: mtd: nand: gpmi: fix the unintentional integer overflow issue X-Git-Tag: rel_imx_5.10.35_2.0.0-somdevices.0~111 X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=54e0c53a3823a7d46e0b7d8e03acbea2ad42128a;p=linux.git LF-3622: mtd: nand: gpmi: fix the unintentional integer overflow issue cast the variable from int to loff_t to avoid potential overflow issue, reported by coverity. CID 17332. Signed-off-by: Han Xu Reviewed-by: Frank Li --- diff --git a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c index d0079c1406a3..d7a157a9038c 100644 --- a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c +++ b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c @@ -2216,7 +2216,7 @@ static int mx23_boot_init(struct gpmi_nand_data *this) */ chipnr = block >> (chip->chip_shift - chip->phys_erase_shift); page = block << (chip->phys_erase_shift - chip->page_shift); - byte = block << chip->phys_erase_shift; + byte = (loff_t)block << chip->phys_erase_shift; /* Send the command to read the conventional block mark. */ nand_select_target(chip, chipnr);