devres: Fix memory leakage caused by driver API devm_free_percpu()

JIRA: https://issues.redhat.com/browse/RHEL-78016
CVE: CVE-2024-43871

commit bd50a97
Author: Zijun Hu <quic_zijuhu@quicinc.com>
Date:   Tue Jul 2 22:51:51 2024 +0800

    devres: Fix memory leakage caused by driver API devm_free_percpu()

    It will cause memory leakage when use driver API devm_free_percpu()
    to free memory allocated by devm_alloc_percpu(), fixed by using
    devres_release() instead of devres_destroy() within devm_free_percpu().

    Fixes: ff86aae ("devres: add devm_alloc_percpu()")
    Cc: stable@vger.kernel.org
    Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
    Link: https://lore.kernel.org/r/1719931914-19035-3-git-send-email-quic_zijuhu@quicinc.com
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Signed-off-by: CKI Backport Bot <cki-ci-bot+cki-gitlab-backport-bot@redhat.com>

Author: CKI Backport Bot

drivers/base/devres.c

@@ -1222,7 +1222,11 @@ EXPORT_SYMBOL_GPL(__devm_alloc_percpu);
  */
 void devm_free_percpu(struct device *dev, void __percpu *pdata)
 {
-	WARN_ON(devres_destroy(dev, devm_percpu_release, devm_percpu_match,
+	/*
+	 * Use devres_release() to prevent memory leakage as
+	 * devm_free_pages() does.
+	 */
+	WARN_ON(devres_release(dev, devm_percpu_release, devm_percpu_match,
 			       (__force void *)pdata));
 }
 EXPORT_SYMBOL_GPL(devm_free_percpu);