ASoC: Intel: Skylake: Fix NULL Pointer exception in dynamic_debug.

The following bug was reported by sometime back:

https://lkml.org/lkml/2016/6/29/795

This commit fixes this bug by setting value for the prefix string.

Signed-off-by: Vedang Patel <vedang.patel@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/intel/skylake/skl-sst-ipc.c b/sound/soc/intel/skylake/skl-sst-ipc.c
index c141f24cae05323acffa644e0d745d0ba75027c7..96f2f6889b1893bea1cce2445cdf024b35b4e21e 100644 (file)
--- a/sound/soc/intel/skylake/skl-sst-ipc.c
+++ b/sound/soc/intel/skylake/skl-sst-ipc.c
@@ -692,7 +692,7 @@ int skl_ipc_init_instance(struct sst_generic_ipc *ipc,
         /* param_block_size must be in dwords */
        u16 param_block_size = msg->param_data_size / sizeof(u32);
 
-       print_hex_dump_debug(NULL, DUMP_PREFIX_NONE,
+       print_hex_dump_debug("Param data:", DUMP_PREFIX_NONE,
                16, 4, buffer, param_block_size, false);
 
        header.primary = IPC_MSG_TARGET(IPC_MOD_MSG);