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-rw-r--r--kernel/cgroup/cgroup-v1.c2
-rw-r--r--kernel/power/swap.c6
-rw-r--r--kernel/rcu/rcutorture.c5
-rw-r--r--kernel/trace/tracing_map.c2
4 files changed, 8 insertions, 7 deletions
diff --git a/kernel/cgroup/cgroup-v1.c b/kernel/cgroup/cgroup-v1.c
index 9b3f9b04f817..8b4f0768efd6 100644
--- a/kernel/cgroup/cgroup-v1.c
+++ b/kernel/cgroup/cgroup-v1.c
@@ -195,7 +195,7 @@ struct cgroup_pidlist {
static void *pidlist_allocate(int count)
{
if (PIDLIST_TOO_LARGE(count))
- return vmalloc(count * sizeof(pid_t));
+ return vmalloc(array_size(count, sizeof(pid_t)));
else
return kmalloc_array(count, sizeof(pid_t), GFP_KERNEL);
}
diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index 1efcb5b0c3ed..c2bcf97d24c8 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -698,7 +698,7 @@ static int save_image_lzo(struct swap_map_handle *handle,
goto out_clean;
}
- data = vmalloc(sizeof(*data) * nr_threads);
+ data = vmalloc(array_size(nr_threads, sizeof(*data)));
if (!data) {
pr_err("Failed to allocate LZO data\n");
ret = -ENOMEM;
@@ -1183,14 +1183,14 @@ static int load_image_lzo(struct swap_map_handle *handle,
nr_threads = num_online_cpus() - 1;
nr_threads = clamp_val(nr_threads, 1, LZO_THREADS);
- page = vmalloc(sizeof(*page) * LZO_MAX_RD_PAGES);
+ page = vmalloc(array_size(LZO_MAX_RD_PAGES, sizeof(*page)));
if (!page) {
pr_err("Failed to allocate LZO page\n");
ret = -ENOMEM;
goto out_clean;
}
- data = vmalloc(sizeof(*data) * nr_threads);
+ data = vmalloc(array_size(nr_threads, sizeof(*data)));
if (!data) {
pr_err("Failed to allocate LZO data\n");
ret = -ENOMEM;
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
index e628fcfd1bde..42fcb7f05fac 100644
--- a/kernel/rcu/rcutorture.c
+++ b/kernel/rcu/rcutorture.c
@@ -831,8 +831,9 @@ rcu_torture_cbflood(void *arg)
cbflood_intra_holdoff > 0 &&
cur_ops->call &&
cur_ops->cb_barrier) {
- rhp = vmalloc(sizeof(*rhp) *
- cbflood_n_burst * cbflood_n_per_burst);
+ rhp = vmalloc(array3_size(cbflood_n_burst,
+ cbflood_n_per_burst,
+ sizeof(*rhp)));
err = !rhp;
}
if (err) {
diff --git a/kernel/trace/tracing_map.c b/kernel/trace/tracing_map.c
index 5cadb1b8b5fe..752d8042bad4 100644
--- a/kernel/trace/tracing_map.c
+++ b/kernel/trace/tracing_map.c
@@ -1075,7 +1075,7 @@ int tracing_map_sort_entries(struct tracing_map *map,
struct tracing_map_sort_entry *sort_entry, **entries;
int i, n_entries, ret;
- entries = vmalloc(map->max_elts * sizeof(sort_entry));
+ entries = vmalloc(array_size(sizeof(sort_entry), map->max_elts));
if (!entries)
return -ENOMEM;