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Diffstat (limited to 'sound/soc/codecs/rt5677-spi.c')
-rw-r--r--sound/soc/codecs/rt5677-spi.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/sound/soc/codecs/rt5677-spi.c b/sound/soc/codecs/rt5677-spi.c
index 84b6bd8..a4dfa03 100644
--- a/sound/soc/codecs/rt5677-spi.c
+++ b/sound/soc/codecs/rt5677-spi.c
@@ -101,7 +101,7 @@ static void rt5677_spi_reverse(u8 *dst, u32 dstlen, const u8 *src, u32 srclen)
u32 word_size = min_t(u32, dstlen, 8);
for (w = 0; w < dstlen; w += word_size) {
- for (i = 0; i < word_size; i++) {
+ for (i = 0; i < word_size && i + w < dstlen; i++) {
si = w + word_size - i - 1;
dst[w + i] = si < srclen ? src[si] : 0;
}
@@ -152,8 +152,9 @@ int rt5677_spi_read(u32 addr, void *rxbuf, size_t len)
status |= spi_sync(g_spi, &m);
mutex_unlock(&spi_mutex);
+
/* Copy data back to caller buffer */
- rt5677_spi_reverse(cb + offset, t[1].len, body, t[1].len);
+ rt5677_spi_reverse(cb + offset, len - offset, body, t[1].len);
}
return status;
}