From 7f6ac72946b88b89ee44c1c527aa8591ac5ffcbe Mon Sep 17 00:00:00 2001 From: Stephen Kitt Date: Sat, 19 Oct 2019 16:06:34 +0200 Subject: clk/ti/adpll: allocate room for terminating null The buffer allocated in ti_adpll_clk_get_name doesn't account for the terminating null. This patch switches to devm_kasprintf to avoid overflowing. Signed-off-by: Stephen Kitt Link: https://lkml.kernel.org/r/20191019140634.15596-1-steve@sk2.org Acked-by: Tony Lindgren Signed-off-by: Stephen Boyd --- drivers/clk/ti/adpll.c | 11 ++--------- 1 file changed, 2 insertions(+), 9 deletions(-) (limited to 'drivers/clk/ti/adpll.c') diff --git a/drivers/clk/ti/adpll.c b/drivers/clk/ti/adpll.c index fdfb90058504..bb2f2836dab2 100644 --- a/drivers/clk/ti/adpll.c +++ b/drivers/clk/ti/adpll.c @@ -194,15 +194,8 @@ static const char *ti_adpll_clk_get_name(struct ti_adpll_data *d, if (err) return NULL; } else { - const char *base_name = "adpll"; - char *buf; - - buf = devm_kzalloc(d->dev, 8 + 1 + strlen(base_name) + 1 + - strlen(postfix), GFP_KERNEL); - if (!buf) - return NULL; - sprintf(buf, "%08lx.%s.%s", d->pa, base_name, postfix); - name = buf; + name = devm_kasprintf(d->dev, GFP_KERNEL, "%08lx.adpll.%s", + d->pa, postfix); } return name; -- cgit v1.2.3