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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Young Xiao <92siuyang@gmail.com>,
	Felipe Balbi <felipe.balbi@linux.intel.com>,
	Sasha Levin <sashal@kernel.org>,
	linux-usb@vger.kernel.org
Subject: [PATCH AUTOSEL 4.9 07/11] usb: gadget: fusb300_udc: Fix memory leak of fusb300->ep[i]
Date: Tue, 25 Jun 2019 23:45:57 -0400	[thread overview]
Message-ID: <20190626034602.24367-7-sashal@kernel.org> (raw)
In-Reply-To: <20190626034602.24367-1-sashal@kernel.org>

From: Young Xiao <92siuyang@gmail.com>

[ Upstream commit 62fd0e0a24abeebe2c19fce49dd5716d9b62042d ]

There is no deallocation of fusb300->ep[i] elements, allocated at
fusb300_probe.

The patch adds deallocation of fusb300->ep array elements.

Signed-off-by: Young Xiao <92siuyang@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/usb/gadget/udc/fusb300_udc.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/usb/gadget/udc/fusb300_udc.c b/drivers/usb/gadget/udc/fusb300_udc.c
index 948845c90e47..351012c498c5 100644
--- a/drivers/usb/gadget/udc/fusb300_udc.c
+++ b/drivers/usb/gadget/udc/fusb300_udc.c
@@ -1345,12 +1345,15 @@ static const struct usb_gadget_ops fusb300_gadget_ops = {
 static int fusb300_remove(struct platform_device *pdev)
 {
 	struct fusb300 *fusb300 = platform_get_drvdata(pdev);
+	int i;
 
 	usb_del_gadget_udc(&fusb300->gadget);
 	iounmap(fusb300->reg);
 	free_irq(platform_get_irq(pdev, 0), fusb300);
 
 	fusb300_free_request(&fusb300->ep[0]->ep, fusb300->ep0_req);
+	for (i = 0; i < FUSB300_MAX_NUM_EP; i++)
+		kfree(fusb300->ep[i]);
 	kfree(fusb300);
 
 	return 0;
@@ -1494,6 +1497,8 @@ static int fusb300_probe(struct platform_device *pdev)
 		if (fusb300->ep0_req)
 			fusb300_free_request(&fusb300->ep[0]->ep,
 				fusb300->ep0_req);
+		for (i = 0; i < FUSB300_MAX_NUM_EP; i++)
+			kfree(fusb300->ep[i]);
 		kfree(fusb300);
 	}
 	if (reg)
-- 
2.20.1


  parent reply	other threads:[~2019-06-26  3:46 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-26  3:45 [PATCH AUTOSEL 4.9 01/11] ASoC : cs4265 : readable register too low Sasha Levin
2019-06-26  3:45 ` [PATCH AUTOSEL 4.9 02/11] ASoC: soc-pcm: BE dai needs prepare when pause release after resume Sasha Levin
2019-06-26  3:45 ` [PATCH AUTOSEL 4.9 03/11] spi: bitbang: Fix NULL pointer dereference in spi_unregister_master Sasha Levin
2019-06-26  3:45 ` [PATCH AUTOSEL 4.9 04/11] ASoC: sun4i-codec: fix first delay on Speaker Sasha Levin
2019-06-26  3:45 ` [PATCH AUTOSEL 4.9 05/11] drm/mediatek: fix unbind functions Sasha Levin
2019-06-26  3:45   ` Sasha Levin
2019-06-26  3:45 ` [PATCH AUTOSEL 4.9 06/11] ASoC: max98090: remove 24-bit format support if RJ is 0 Sasha Levin
2019-06-26  3:45 ` Sasha Levin [this message]
2019-06-26  3:45 ` [PATCH AUTOSEL 4.9 08/11] usb: gadget: udc: lpc32xx: allocate descriptor with GFP_ATOMIC Sasha Levin
2019-06-26  3:45 ` [PATCH AUTOSEL 4.9 09/11] scsi: hpsa: correct ioaccel2 chaining Sasha Levin
2019-06-26  3:46 ` [PATCH AUTOSEL 4.9 10/11] scripts/decode_stacktrace.sh: prefix addr2line with $CROSS_COMPILE Sasha Levin
2019-06-26  3:46 ` [PATCH AUTOSEL 4.9 11/11] mm/mlock.c: change count_mm_mlocked_page_nr return type Sasha Levin

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