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Date: Thu, 29 Sep 2011 11:54:45 -0700 From: "K. Y. Srinivasan" <kys@...rosoft.com> To: gregkh@...e.de, linux-kernel@...r.kernel.org, devel@...uxdriverproject.org, virtualization@...ts.osdl.org, ohering@...e.com Cc: "K. Y. Srinivasan" <kys@...rosoft.com>, Haiyang Zhang <haiyangz@...rosoft.com> Subject: [PATCH 05/24] Staging: hv: mousevsc: Handle the case where we may get bogus report desc size Handle the case where we may get bogus report desc size from the host. Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com> Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com> --- drivers/staging/hv/hv_mouse.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/staging/hv/hv_mouse.c b/drivers/staging/hv/hv_mouse.c index b7cc164..19cfc23 100644 --- a/drivers/staging/hv/hv_mouse.c +++ b/drivers/staging/hv/hv_mouse.c @@ -341,6 +341,8 @@ static void mousevsc_on_receive_device_info(struct mousevsc_dev *input_device, /* Save the report desc */ input_device->report_desc_size = desc->desc[0].wDescriptorLength; + if (input_device->report_desc_size == 0) + goto cleanup; input_device->report_desc = kzalloc(input_device->report_desc_size, GFP_ATOMIC); -- 1.7.4.1 -- 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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