diff options
| author | Ingo Molnar <mingo@kernel.org> | 2021-02-17 14:04:39 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2021-02-17 14:04:39 +0100 |
| commit | ed3cd45f8ca873dd320ff7e6b4c1c8f83a65302c (patch) | |
| tree | 783a02c1e78964654fe6d9a9c14b24bfc50e6b3b /kernel/bpf/stackmap.c | |
| parent | bae4ec13640b0915e7dd86da7e65c5d085160571 (diff) | |
| parent | f40ddce88593482919761f74910f42f4b84c004b (diff) | |
| download | linux-ed3cd45f8ca873dd320ff7e6b4c1c8f83a65302c.tar.gz linux-ed3cd45f8ca873dd320ff7e6b4c1c8f83a65302c.tar.bz2 linux-ed3cd45f8ca873dd320ff7e6b4c1c8f83a65302c.zip | |
Merge tag 'v5.11' into sched/core, to pick up fixes & refresh the branch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/bpf/stackmap.c')
| -rw-r--r-- | kernel/bpf/stackmap.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/bpf/stackmap.c b/kernel/bpf/stackmap.c index aea96b638473..bfafbf115bf3 100644 --- a/kernel/bpf/stackmap.c +++ b/kernel/bpf/stackmap.c @@ -115,6 +115,8 @@ static struct bpf_map *stack_map_alloc(union bpf_attr *attr) /* hash table size must be power of 2 */ n_buckets = roundup_pow_of_two(attr->max_entries); + if (!n_buckets) + return ERR_PTR(-E2BIG); cost = n_buckets * sizeof(struct stack_map_bucket *) + sizeof(*smap); cost += n_buckets * (value_size + sizeof(struct stack_map_bucket)); |