[PATCH v3 07/10] topology: decode: Fix decoding PCM formats and rates

Piotr Maziarz piotrx.maziarz at linux.intel.com
Tue Jul 14 13:25:08 CEST 2020


Not checking _LAST format and rate, which are valid indexes in arrays,
makes data loss while converting binary to standard ALSA configuration
file.

Signed-off-by: Piotr Maziarz <piotrx.maziarz at linux.intel.com>
---
 src/topology/pcm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/topology/pcm.c b/src/topology/pcm.c
index b15b950..db40114 100644
--- a/src/topology/pcm.c
+++ b/src/topology/pcm.c
@@ -549,7 +549,7 @@ int tplg_save_stream_caps(snd_tplg_t *tplg ATTRIBUTE_UNUSED,
 	if (err >= 0 && sc->formats) {
 		err = tplg_save_printf(dst, pfx, "\tformats '");
 		first = 1;
-		for (i = 0; err >= 0 && i < SND_PCM_FORMAT_LAST; i++) {
+		for (i = 0; err >= 0 && i <= SND_PCM_FORMAT_LAST; i++) {
 			if (sc->formats & (1ULL << i)) {
 				s = snd_pcm_format_name(i);
 				err = tplg_save_printf(dst, NULL, "%s%s",
@@ -563,7 +563,7 @@ int tplg_save_stream_caps(snd_tplg_t *tplg ATTRIBUTE_UNUSED,
 	if (err >= 0 && sc->rates) {
 		err = tplg_save_printf(dst, pfx, "\trates '");
 		first = 1;
-		for (i = 0; err >= 0 && i < SND_PCM_RATE_LAST; i++) {
+		for (i = 0; err >= 0 && i <= SND_PCM_RATE_LAST; i++) {
 			if (sc->rates & (1ULL << i)) {
 				s = get_rate_name(i);
 				err = tplg_save_printf(dst, NULL, "%s%s",
-- 
2.7.4



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