From: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Date: Mon, 19 Sep 2016 06:41:32 +0000 (+1000)
Subject: powerpc/pseries: fix memory leak in queue_hotplug_event() error path
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=90ce35145cb622b3cd0007d50e1f6a5a97321235;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

powerpc/pseries: fix memory leak in queue_hotplug_event() error path

If we fail to allocate work, we don't end up using hp_errlog_copy. Free it
in the error path.

Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Reviewed-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---

diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c
index 2511ccf186af..423e450efe07 100644
--- a/arch/powerpc/platforms/pseries/dlpar.c
+++ b/arch/powerpc/platforms/pseries/dlpar.c
@@ -413,6 +413,7 @@ void queue_hotplug_event(struct pseries_hp_errorlog *hp_errlog,
 		queue_work(pseries_hp_wq, (struct work_struct *)work);
 	} else {
 		*rc = -ENOMEM;
+		kfree(hp_errlog_copy);
 		complete(hotplug_done);
 	}
 }