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cpuidle: dt_idle_genpd: kfree() the original name allocation

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dt_idle_pd_alloc() kasprintf()s the full node path, then points
pd->name at kbasename() of that string. dt_idle_pd_free() kfree()s
pd->name, which is no longer the start of the allocation.

Copy the basename instead.

Fixes: 9d976d6721 ("cpuidle: Factor-out power domain related code from PSCI domain driver")
Signed-off-by: Linkai Gong <gonglinkai@kylinos.cn>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulfh@kernel.org>
This commit is contained in:
Linkai Gong 2026-08-21 15:57:28 +08:00 committed by Ulf Hansson
parent 6d94c47a2e
commit 2b0ac85512
1 changed files with 1 additions and 2 deletions
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3
drivers/cpuidle/dt_idle_genpd.c
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@ -99,7 +99,7 @@ struct generic_pm_domain *dt_idle_pd_alloc(struct device_node *np,
if (!pd)
goto out;
pd->name = kasprintf(GFP_KERNEL, "%pOF", np);
pd->name = kstrdup(kbasename(of_node_full_name(np)), GFP_KERNEL);
if (!pd->name)
goto free_pd;
@ -112,7 +112,6 @@ struct generic_pm_domain *dt_idle_pd_alloc(struct device_node *np,
goto free_name;
pd->free_states = pd_free_states;
pd->name = kbasename(pd->name);
pd->states = states;
pd->state_count = state_count;