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SubjectRe: [PATCH] ipmi: ssif: replace strlcpy with strscpy
On Wed, Dec 22, 2021 at 11:27:07AM +0800, Jason Wang wrote:
> The strlcpy should not be used because it doesn't limit the source
> length. So that it will lead some potential bugs.
>
> But the strscpy doesn't require reading memory from the src string
> beyond the specified "count" bytes, and since the return value is
> easier to error-check than strlcpy()'s. In addition, the implementation
> is robust to the string changing out from underneath it, unlike the
> current strlcpy() implementation.
>
> Thus, replace strlcpy with strscpy.

Ok, thanks for the patch.

-corey

>
> Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
> ---
> drivers/char/ipmi/ipmi_ssif.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c
> index 48aab77abebf..ba779f1abb5b 100644
> --- a/drivers/char/ipmi/ipmi_ssif.c
> +++ b/drivers/char/ipmi/ipmi_ssif.c
> @@ -1354,7 +1354,7 @@ static int ssif_detect(struct i2c_client *client, struct i2c_board_info *info)
> if (rv)
> rv = -ENODEV;
> else
> - strlcpy(info->type, DEVICE_NAME, I2C_NAME_SIZE);
> + strscpy(info->type, DEVICE_NAME, I2C_NAME_SIZE);
> kfree(resp);
> return rv;
> }
> --
> 2.34.1
>

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