Commit ea9e195f authored Sep 16, 2020 by Vivek Pernamitta Committed by Gerrit - the friendly Code Review server Sep 19, 2020

mhi: core: Add checks for bhie offsets



Return immediately if device returns an invalid BHIE offsets.

Change-Id: I2fd8fe73e47b28b1b212284c02e5c9c857805461
Signed-off-by: Vivek Pernamitta <vpernami@codeaurora.org>

parent ac1e0fa5

drivers/bus/mhi/core/mhi_init.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -1776,6 +1776,13 @@ int mhi_prepare_for_power_up(struct mhi_controller *mhi_cntrl)
		goto bhie_error;
		}

		if (bhie_off >= mhi_cntrl->len) {
		MHI_ERR("Invalid BHIE=0x%x len=0x%x\n",
		bhie_off, mhi_cntrl->len);
		ret = -EINVAL;
		goto bhie_error;
		}

		mhi_cntrl->bhie = mhi_cntrl->regs + bhie_off;
		}