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| author | Peng Fan | 2019-02-20 14:32:55 +0100 |
|---|---|---|
| committer | Dennis Zhou | 2019-02-23 23:36:53 +0100 |
| commit | 2de7852fe9096e92c5f10faa472550a2a7121cea (patch) | |
| tree | cde1e86e79d9b743875d9cf9dbb738d3d6a83bfb /mm/percpu-km.c | |
| parent | Linux 5.0-rc7 (diff) | |
| download | kernel-qcow2-linux-2de7852fe9096e92c5f10faa472550a2a7121cea.tar.gz kernel-qcow2-linux-2de7852fe9096e92c5f10faa472550a2a7121cea.tar.xz kernel-qcow2-linux-2de7852fe9096e92c5f10faa472550a2a7121cea.zip | |
percpu: use nr_groups as check condition
group_cnt array is defined with NR_CPUS entries, but normally
nr_groups will not reach up to NR_CPUS. So there is no issue
to the current code.
Checking other parts of pcpu_build_alloc_info, use nr_groups as
check condition, so make it consistent to use 'group < nr_groups'
as for loop check. In case we do have nr_groups equals with NR_CPUS,
we could also avoid memory access out of bounds.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Dennis Zhou <dennis@kernel.org>
Diffstat (limited to 'mm/percpu-km.c')
0 files changed, 0 insertions, 0 deletions