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Message-Id: <1442847500-22435-1-git-send-email-pali.rohar@gmail.com> Date: Mon, 21 Sep 2015 16:58:20 +0200 From: Pali Rohár <pali.rohar@...il.com> To: Sebastian Reichel <sre@...nel.org>, Dmitry Eremin-Solenikov <dbaryshkov@...il.com>, David Woodhouse <dwmw2@...radead.org> Cc: linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org, Dan Carpenter <dan.carpenter@...cle.com>, Pali Rohár <pali.rohar@...il.com> Subject: [PATCH] bq2415x_charger: Fix null pointer dereference Commit b68c3161430a (bq2415x_charger: Allow to load and use driver even if notify device is not registered yet) introduced null pointer dereference in case bq is NULL. This patch fixes it. Signed-off-by: Pali Rohár <pali.rohar@...il.com> Reported-by: Dan Carpenter <dan.carpenter@...cle.com> --- drivers/power/bq2415x_charger.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/power/bq2415x_charger.c b/drivers/power/bq2415x_charger.c index ec212b5..4afd768 100644 --- a/drivers/power/bq2415x_charger.c +++ b/drivers/power/bq2415x_charger.c @@ -1704,7 +1704,7 @@ error_4: error_3: bq2415x_power_supply_exit(bq); error_2: - if (bq->notify_node) + if (bq && bq->notify_node) of_node_put(bq->notify_node); kfree(name); error_1: -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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