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Commit 60e8615a authored by K. Y. Srinivasan's avatar K. Y. Srinivasan Committed by Greg Kroah-Hartman
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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: default avatarK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: default avatarHaiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 01584892

drivers/staging/hv/hv_mouse.c

+2 −0
Original line number Diff line number Diff line
@@ -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);