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cpuidle: lpm-levels: Fix snprintf string format

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Undefined string lengths could lead to buffer overflows. Format the
string correctly to ensure proper usage of snprintf.

Change-Id: I996f41197606f4b9877cf0fbc6c57145480b5c1c
Signed-off-by: Archana Sathyakumar <asathyak@codeaurora.org>
This commit is contained in:
Archana Sathyakumar 2017-10-10 11:11:45 -06:00 • committed by Gerrit - the friendly Code Review server
parent ace014f81d
commit 1577efbe1c
1 changed files with 2 additions and 1 deletions
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3
drivers/cpuidle/lpm-levels.c
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@ -1706,7 +1706,8 @@ static int cluster_cpuidle_register(struct lpm_cluster *cl)
struct cpuidle_state *st = &cl->drv->states[i];
struct lpm_cpu_level *cpu_level = &cl->cpu->levels[i];
snprintf(st->name, CPUIDLE_NAME_LEN, "C%u\n", i);
snprintf(st->desc, CPUIDLE_DESC_LEN, cpu_level->name);
snprintf(st->desc, CPUIDLE_DESC_LEN, "%s",
cpu_level->name);
st->flags = 0;
st->exit_latency = cpu_level->pwr.latency_us;
st->power_usage = cpu_level->pwr.ss_power;