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Merge "dsp: q6asm: check for buffer size before read"

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Linux Build Service Account 2018-04-17 05:41:01 -07:00 • committed by Gerrit - the friendly Code Review server
commit 293a5f9afe
1 changed files with 10 additions and 0 deletions

10
dsp/q6asm.c
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@ -284,6 +284,11 @@ static ssize_t audio_output_latency_dbgfs_read(struct file *file,
pr_err("%s: out_buffer is null\n", __func__);
return 0;
}
if (count < OUT_BUFFER_SIZE) {
pr_err("%s: read size %d exceeds buf size %zd\n", __func__,
OUT_BUFFER_SIZE, count);
return 0;
}
snprintf(out_buffer, OUT_BUFFER_SIZE, "%ld,%ld,%ld,%ld,%ld,%ld,",
out_cold_tv.tv_sec, out_cold_tv.tv_usec, out_warm_tv.tv_sec,
out_warm_tv.tv_usec, out_cont_tv.tv_sec, out_cont_tv.tv_usec);
@ -336,6 +341,11 @@ static ssize_t audio_input_latency_dbgfs_read(struct file *file,
pr_err("%s: in_buffer is null\n", __func__);
return 0;
}
if (count < IN_BUFFER_SIZE) {
pr_err("%s: read size %d exceeds buf size %zd\n", __func__,
IN_BUFFER_SIZE, count);
return 0;
}
snprintf(in_buffer, IN_BUFFER_SIZE, "%ld,%ld,",
in_cont_tv.tv_sec, in_cont_tv.tv_usec);
return simple_read_from_buffer(buf, IN_BUFFER_SIZE, ppos,