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Commit ac6e850d authored by Lina Iyer's avatar Lina Iyer
Browse files

drivers: mailbox: rpmh: fix validation check in probe 



Fix check for TCS configuration at probe.

Change-Id: Ia695bb7598aaaabe18297eaed5d1c80be088393d
Signed-off-by: default avatarLina Iyer <ilina@codeaurora.org>
parent b4a69c05

drivers/mailbox/qcom-rpmh-mailbox.c

+4 −5
Original line number Diff line number Diff line
@@ -1178,11 +1178,10 @@ static int rsc_drv_probe(struct platform_device *pdev) 
		if (tcs->num_tcs <= 0 || tcs->type == CONTROL_TCS)

			continue;



		if (tcs->num_tcs > MAX_TCS_PER_TYPE)

			return -EINVAL;



		if (st + tcs->num_tcs > max_tcs &&

				st + tcs->num_tcs >= sizeof(tcs->tcs_mask))

		if (tcs->num_tcs > MAX_TCS_PER_TYPE ||

			st + tcs->num_tcs > max_tcs ||

			st + tcs->num_tcs >=

				BITS_PER_BYTE * sizeof(tcs->tcs_mask))

			return -EINVAL;



		tcs->tcs_mask = ((1 << tcs->num_tcs) - 1) << st;