gentoo-overlay/sys-kernel/hardened-kernel/files/linux-5.4/9004_CVE-2019-19054.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Navid Emamdoost <navid.emamdoost@gmail.com>
Date: Wed, 25 Sep 2019 12:02:41 -0300
Subject: [PATCH] media: rc: prevent memory leak in cx23888_ir_probe
In cx23888_ir_probe if kfifo_alloc fails the allocated memory for state
should be released.
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
---
drivers/media/pci/cx23885/cx23888-ir.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/media/pci/cx23885/cx23888-ir.c b/drivers/media/pci/cx23885/cx23888-ir.c
index e880afe37f15..d59ca3601785 100644
--- a/drivers/media/pci/cx23885/cx23888-ir.c
+++ b/drivers/media/pci/cx23885/cx23888-ir.c
@@ -1167,8 +1167,11 @@ int cx23888_ir_probe(struct cx23885_dev *dev)
return -ENOMEM;
spin_lock_init(&state->rx_kfifo_lock);
- if (kfifo_alloc(&state->rx_kfifo, CX23888_IR_RX_KFIFO_SIZE, GFP_KERNEL))
+ if (kfifo_alloc(&state->rx_kfifo, CX23888_IR_RX_KFIFO_SIZE,
+ GFP_KERNEL)) {
+ kfree(state);
return -ENOMEM;
+ }
state->dev = dev;
sd = &state->sd;
--
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