From: Takashi Iwai tiwai@suse.de
commit 64bbacc5f08c01954890981c63de744df1f29a30 upstream.
skl_print_pins() loops over all given pins but it overwrites the text at the very same position while increasing the returned length. Fix this to show the all pin contents properly.
Fixes: d14700a01f91 ("ASoC: Intel: Skylake: Debugfs facility to dump module config") Signed-off-by: Takashi Iwai tiwai@suse.de Acked-by: Cezary Rojewski cezary.rojewski@intel.com Link: https://lore.kernel.org/r/20200218111737.14193-2-tiwai@suse.de Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- sound/soc/intel/skylake/skl-debug.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/sound/soc/intel/skylake/skl-debug.c b/sound/soc/intel/skylake/skl-debug.c index faf1cba..893f704 100644 --- a/sound/soc/intel/skylake/skl-debug.c +++ b/sound/soc/intel/skylake/skl-debug.c @@ -42,7 +42,7 @@ static ssize_t skl_print_pins(struct skl_module_pin *m_pin, char *buf, int i; ssize_t ret = 0;
- for (i = 0; i < max_pin; i++) + for (i = 0; i < max_pin; i++) { ret += snprintf(buf + size, MOD_BUF - size, "%s %d\n\tModule %d\n\tInstance %d\n\t" "In-used %s\n\tType %s\n" @@ -53,6 +53,8 @@ static ssize_t skl_print_pins(struct skl_module_pin *m_pin, char *buf, m_pin[i].in_use ? "Used" : "Unused", m_pin[i].is_dynamic ? "Dynamic" : "Static", m_pin[i].pin_state, i); + size += ret; + } return ret; }