[PATCH 2/2] ASoC: stm32: sai: fix master clock naming

From: Olivier Moysan
Date: Mon Oct 22 2018 - 11:11:33 EST


Fixes: 8307b2afd386 ("ASoC: stm32: sai: set sai as mclk clock provider")

Fix warning issued by strncat when bound equals to source length.

Signed-off-by: Olivier Moysan <olivier.moysan@xxxxxx>
---
sound/soc/stm/stm32_sai_sub.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/sound/soc/stm/stm32_sai_sub.c b/sound/soc/stm/stm32_sai_sub.c
index 31d22abd3204..ea05cc91aa05 100644
--- a/sound/soc/stm/stm32_sai_sub.c
+++ b/sound/soc/stm/stm32_sai_sub.c
@@ -404,12 +404,11 @@ static int stm32_sai_add_mclk_provider(struct stm32_sai_sub_data *sai)
* String after "_" char is stripped in parent name.
*/
p = mclk_name;
- while (*s && *s != '_' && (i < (SAI_MCLK_NAME_LEN - 6))) {
+ while (*s && *s != '_' && (i < (SAI_MCLK_NAME_LEN - 7))) {
*p++ = *s++;
i++;
}
- STM_SAI_IS_SUB_A(sai) ?
- strncat(p, "a_mclk", 6) : strncat(p, "b_mclk", 6);
+ STM_SAI_IS_SUB_A(sai) ? strcat(p, "a_mclk") : strcat(p, "b_mclk");

mclk->hw.init = CLK_HW_INIT(mclk_name, pname, &mclk_ops, 0);
mclk->sai_data = sai;
--
2.7.4