diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2026-04-03 14:15:06 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2026-04-03 14:15:06 +0200 |
| commit | 744d5721d2d7abc84e5131c16002039c53465c89 (patch) | |
| tree | cecd1cad41fefb8ac1843ada0f665a46bdf4adfe | |
| parent | 6dcf9d0064ce2f3e3dfe5755f98b93abe6a98e1e (diff) | |
| parent | 9badc2a84e688be1275bb740942d5f6f51746908 (diff) | |
Merge branch 'pm-em'
Fix a NULL pointer dereference in the energy model netlink interface
that may occur if a given perf domain ID is not recognized (Changwoo Min).
* pm-em:
PM: EM: Fix NULL pointer dereference when perf domain ID is not found
| -rw-r--r-- | kernel/power/em_netlink.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/power/em_netlink.c b/kernel/power/em_netlink.c index 5a611d3950fd..4d4fd29bd2be 100644 --- a/kernel/power/em_netlink.c +++ b/kernel/power/em_netlink.c @@ -109,6 +109,8 @@ int dev_energymodel_nl_get_perf_domains_doit(struct sk_buff *skb, id = nla_get_u32(info->attrs[DEV_ENERGYMODEL_A_PERF_DOMAIN_PERF_DOMAIN_ID]); pd = em_perf_domain_get_by_id(id); + if (!pd) + return -EINVAL; __em_nl_get_pd_size(pd, &msg_sz); msg = genlmsg_new(msg_sz, GFP_KERNEL); |