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From patchwork Wed Sep 25 15:02:41 2019
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Wed, 25 Sep 2019 08:02:52 -0700 (PDT)
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From: Navid Emamdoost <navid.emamdoost@gmail.com>
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Cc: emamd001@umn.edu, smccaman@umn.edu, kjlu@umn.edu,
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Navid Emamdoost <navid.emamdoost@gmail.com>,
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Mauro Carvalho Chehab <mchehab@kernel.org>,
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Kate Stewart <kstewart@linuxfoundation.org>,
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Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
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Sean Young <sean@mess.org>, linux-media@vger.kernel.org,
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linux-kernel@vger.kernel.org
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Subject: [PATCH] media: rc: prevent memory leak in cx23888_ir_probe
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Date: Wed, 25 Sep 2019 10:02:41 -0500
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Message-Id: <20190925150244.13644-1-navid.emamdoost@gmail.com>
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In cx23888_ir_probe if kfifo_alloc fails the allocated memory for state
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should be released.
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Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
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---
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drivers/media/pci/cx23885/cx23888-ir.c | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/drivers/media/pci/cx23885/cx23888-ir.c b/drivers/media/pci/cx23885/cx23888-ir.c
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index e880afe37f15..90e7c32c54bb 100644
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--- a/drivers/media/pci/cx23885/cx23888-ir.c
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+++ b/drivers/media/pci/cx23885/cx23888-ir.c
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@@ -1167,8 +1167,11 @@ int cx23888_ir_probe(struct cx23885_dev *dev)
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return -ENOMEM;
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spin_lock_init(&state->rx_kfifo_lock);
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- if (kfifo_alloc(&state->rx_kfifo, CX23888_IR_RX_KFIFO_SIZE, GFP_KERNEL))
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+ if (kfifo_alloc(&state->rx_kfifo, CX23888_IR_RX_KFIFO_SIZE,
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+ GFP_KERNEL)) {
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+ kfree(state);
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return -ENOMEM;
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+ }
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state->dev = dev;
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sd = &state->sd;
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