ASoC: rt1320: fix the warning the string may be truncated

1488 |                          "realtek/rt1320/rt1320_%s_%s_%s.dat", vendor, product, sku);
     |                                                 ^~             ~~~~~~
sound/soc/codecs/rt1320-sdw.c:1487:17: note: 'snprintf' output between 29 and 410 bytes into a destination of size 128
1487 |                 snprintf(filename, sizeof(filename),
     |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1488 |                          "realtek/rt1320/rt1320_%s_%s_%s.dat", vendor, product, sku);
     |

Fixes: da1682d5e8b5 ("ASoC: rt1320: support calibration and temperature/r0 loading")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202512191521.RK0edKdX-lkp@intel.com/
Signed-off-by: Shuming Fan <shumingf@realtek.com>
Link: https://patch.msgid.link/20251222101329.558973-1-shumingf@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/rt1320-sdw.c b/sound/soc/codecs/rt1320-sdw.c
index e1c4a1adacff41448eef24ca8caeefe185e09dab..2c621d94fcf54ced00e7cbfa703080f4a7d0b00e 100644 (file)
--- a/sound/soc/codecs/rt1320-sdw.c
+++ b/sound/soc/codecs/rt1320-sdw.c
@@ -1433,7 +1433,7 @@ static int rt1320_rae_load(struct rt1320_sdw_priv *rt1320)
        const char *dmi_vendor, *dmi_product, *dmi_sku;
        char vendor[128], product[128], sku[128];
        char *ptr_vendor, *ptr_product, *ptr_sku;
-       char rae_filename[128];
+       char rae_filename[512];
        char tag[5];
        int ret = 0;
        int retry = 200;
@@ -1600,7 +1600,7 @@ struct rt1320_dspfwheader {
        const char *dmi_vendor, *dmi_product, *dmi_sku;
        char vendor[128], product[128], sku[128];
        char *ptr_vendor, *ptr_product, *ptr_sku;
-       char filename[128];
+       char filename[512];
 
        switch (rt1320->dev_id) {
        case RT1320_DEV_ID: