diff options
| -rw-r--r-- | sound/soc/codecs/wcd934x/wcd934x-dsp-cntl.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sound/soc/codecs/wcd934x/wcd934x-dsp-cntl.c b/sound/soc/codecs/wcd934x/wcd934x-dsp-cntl.c index b682c37a1537..078e60fdca87 100644 --- a/sound/soc/codecs/wcd934x/wcd934x-dsp-cntl.c +++ b/sound/soc/codecs/wcd934x/wcd934x-dsp-cntl.c @@ -910,10 +910,12 @@ static ssize_t wcd_miscdev_write(struct file *filep, const char __user *ubuf, { struct wcd_dsp_cntl *cntl = container_of(filep->private_data, struct wcd_dsp_cntl, miscdev); - char val[WCD_DSP_CNTL_MAX_COUNT]; + char val[WCD_DSP_CNTL_MAX_COUNT + 1]; bool vote; int ret = 0; + memset(val, 0, WCD_DSP_CNTL_MAX_COUNT + 1); + if (count == 0 || count > WCD_DSP_CNTL_MAX_COUNT) { pr_err("%s: Invalid count = %zd\n", __func__, count); ret = -EINVAL; |