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X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 198.137.202.133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-3.3 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_LOW,RCVD_IN_VALIDITY_RPBL_BLOCKED, RCVD_IN_VALIDITY_SAFE_BLOCKED,SPF_HELO_NONE,SPF_NONE autolearn=no autolearn_force=no version=3.4.2 Subject: [PATCH v2025.09.y 37/58] pmdomain: fix dereference before NULL check in genpd_get_from_provider X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) genpd_get_from_provider() dereferences genpdspec->np in the variable declaration before checking whether genpdspec itself is NULL. (cherry picked from commit de2124f33968f8167f5371e5f8d7f6b0f2563fc5) Fixes: abf97f3993 ("pmdomain: look up pmdomain even if not have_genpd_providers") Reported-by: GCC 14.2 -fanalyzer Co-authored-by: Claude Opus 4.6 Signed-off-by: Ahmad Fatoum Link: https://lore.barebox.org/20260216084253.3547270-4-a.fatoum@pengutronix.de Signed-off-by: Sascha Hauer --- drivers/base/power.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/base/power.c b/drivers/base/power.c index 66ad6d05e815..b641e11ef3c3 100644 --- a/drivers/base/power.c +++ b/drivers/base/power.c @@ -255,13 +255,15 @@ static struct generic_pm_domain *genpd_get_from_provider( struct of_phandle_args *genpdspec) { struct generic_pm_domain *genpd = ERR_PTR(-ENOENT); - struct device_node *node = genpdspec->np; struct of_genpd_provider *provider; + struct device_node *node; int ret; if (!genpdspec) return ERR_PTR(-EINVAL); + node = genpdspec->np; + ret = of_device_ensure_probed(node); if (ret) { struct device_node *parent; -- 2.47.3