Commit 26abecf3 authored Nov 10, 2013 by Maya Erez

usb: host: Fix smask_out array access to a non verified index



Fix code quality issues found by the automatic checking tool.
Verify hs_transfers before accessing the smask_out array
in this index.

Change-Id: I724278f4972c471431993270d3962230b1c69791
CRs-Fixed: 566927
Signed-off-by: Danny Segal <dsegal@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>

parent c5b954d0

drivers/usb/host/ehci-sched.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -1027,8 +1027,11 @@ iso_stream_init (
		/* c-mask as specified in USB 2.0 11.18.4 3.c */
		tmp = (1 << (hs_transfers + 2)) - 1;
		stream->raw_mask \|= tmp << (8 + 2);
		} else
		} else if (hs_transfers <=
		(sizeof(smask_out) / sizeof(smask_out[0]))) {
		stream->raw_mask = smask_out [hs_transfers - 1];
		}

		bandwidth = stream->usecs + stream->c_usecs;
		bandwidth /= interval << 3;