diff options
| author | Qianfeng Rong <rongqianfeng@vivo.com> | 2025-08-21 21:41:17 +0800 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2025-08-22 06:26:22 -0700 |
| commit | 9a0352dd45225597cb8d4a4d79cf5b53f3609ae3 (patch) | |
| tree | 3c38e0c0b801e84468b1d4c6bec7fb7fab49505d | |
| parent | 3e15cccf3ea272ae40942e8a5a741bb69a56f654 (diff) | |
refscale: Use kcalloc() instead of kzalloc()
Use kcalloc() in main_func() to gain built-in overflow protection, making
memory allocation safer when calculating allocation size compared to
explicit multiplication.
Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
| -rw-r--r-- | kernel/rcu/refscale.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/rcu/refscale.c b/kernel/rcu/refscale.c index df646e0694a8..5840fac06feb 100644 --- a/kernel/rcu/refscale.c +++ b/kernel/rcu/refscale.c @@ -1021,7 +1021,7 @@ static int main_func(void *arg) set_user_nice(current, MAX_NICE); VERBOSE_SCALEOUT("main_func task started"); - result_avg = kzalloc(nruns * sizeof(*result_avg), GFP_KERNEL); + result_avg = kcalloc(nruns, sizeof(*result_avg), GFP_KERNEL); buf = kzalloc(800 + 64, GFP_KERNEL); if (!result_avg || !buf) { SCALEOUT_ERRSTRING("out of memory"); |