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Message-Id: <1388179119-11606-1-git-send-email-khoroshilov@ispras.ru> Date: Sat, 28 Dec 2013 01:18:39 +0400 From: Alexey Khoroshilov <khoroshilov@...ras.ru> To: Mauro Carvalho Chehab <m.chehab@...sung.com> Cc: Alexey Khoroshilov <khoroshilov@...ras.ru>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, linux-media@...r.kernel.org, devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org, ldv-project@...uxtesting.org Subject: [PATCH] [media] as102: fix leaks at failure paths in as102_usb_probe() Failure handling is incomplete in as102_usb_probe(). The patch implements proper resource deallocations. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <khoroshilov@...ras.ru> --- drivers/staging/media/as102/as102_usb_drv.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/staging/media/as102/as102_usb_drv.c b/drivers/staging/media/as102/as102_usb_drv.c index 9f275f020150..c1c6152d1ab4 100644 --- a/drivers/staging/media/as102/as102_usb_drv.c +++ b/drivers/staging/media/as102/as102_usb_drv.c @@ -419,15 +419,22 @@ static int as102_usb_probe(struct usb_interface *intf, /* request buffer allocation for streaming */ ret = as102_alloc_usb_stream_buffer(as102_dev); if (ret != 0) - goto failed; + goto failed_stream; /* register dvb layer */ ret = as102_dvb_register(as102_dev); + if (ret != 0) + goto failed_dvb; LEAVE(); return ret; +failed_dvb: + as102_free_usb_stream_buffer(as102_dev); +failed_stream: + usb_deregister_dev(intf, &as102_usb_class_driver); failed: + usb_put_dev(as102_dev->bus_adap.usb_dev); usb_set_intfdata(intf, NULL); kfree(as102_dev); return ret; -- 1.8.3.2 -- 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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