[PATCH v5 2/2] imx-drm: imx-ldb: Use snprintf()
Philipp Zabel
p.zabel at pengutronix.de
Fri Feb 28 14:53:14 UTC 2014
Am Freitag, den 28.02.2014, 11:39 -0300 schrieb Fabio Estevam:
> From: Fabio Estevam <fabio.estevam at freescale.com>
>
> Use snprintf() in order to fix the following static checker warning:
>
> drivers/staging/imx-drm/imx-ldb.c:340 imx_ldb_get_clk() error: format string overflow. buf_size: 16 length: 18
> probably 18 is theory and not real life,
"di%d_pll" - Six characters, a sign, 10 digits (INT_MIN), and '\0',
that's 18 characters.
> but 16 is based on theory as well.
>
> Reported-by: Dan Carpenter <dan.carpenter at oracle.com>
> Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
> ---
> Changes since v4:
> - None
>
> drivers/staging/imx-drm/imx-ldb.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/staging/imx-drm/imx-ldb.c b/drivers/staging/imx-drm/imx-ldb.c
> index abf8517..daa54df 100644
> --- a/drivers/staging/imx-drm/imx-ldb.c
> +++ b/drivers/staging/imx-drm/imx-ldb.c
> @@ -334,12 +334,12 @@ static int imx_ldb_get_clk(struct imx_ldb *ldb, int chno)
> {
> char clkname[16];
>
> - sprintf(clkname, "di%d", chno);
> + snprintf(clkname, sizeof(clkname), "di%d", chno);
Acked-by: Philipp Zabel <p.zabel at pengutronix.de>
regards
Philipp
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