Re: [PATCH v2 6/6] staging: exfat: replace kmalloc with kmalloc_array

From: Dan Carpenter
Date: Thu Oct 31 2019 - 09:25:21 EST


On Thu, Oct 31, 2019 at 01:31:39PM +0100, Roi Martin wrote:
> diff --git a/drivers/staging/exfat/exfat_core.c b/drivers/staging/exfat/exfat_core.c
> index f71235c6a338..f4f82aecc05d 100644
> --- a/drivers/staging/exfat/exfat_core.c
> +++ b/drivers/staging/exfat/exfat_core.c
> @@ -713,8 +713,8 @@ static s32 __load_upcase_table(struct super_block *sb, sector_t sector,
>
> u32 checksum = 0;
>
> - upcase_table = p_fs->vol_utbl = kmalloc(UTBL_COL_COUNT * sizeof(u16 *),
> - GFP_KERNEL);
> + upcase_table = kmalloc_array(UTBL_COL_COUNT, sizeof(u16 *), GFP_KERNEL);
> + p_fs->vol_utbl = upcase_table;

This patch is fine, but one idea for future patches is that you could
remove the "upcase_table" variable and use "p_fs->vol_utbl" everywhere
instead.

> if (!upcase_table)
> return -ENOMEM;

regards,
dan carpenter