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Commit 96d8df84 authored by Dan Carpenter's avatar Dan Carpenter Committed by Alex Deucher
Browse files

drm/radeon/dpm/btc: off by one in btc_set_mc_special_registers() 



It should be ">=" instead of ">" here.  The table->mc_reg_address[]
array has SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE (16) elements.

Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent 89cd67b3

drivers/gpu/drm/radeon/btc_dpm.c

+3 −3
Original line number Diff line number Diff line
@@ -1930,7 +1930,7 @@ static int btc_set_mc_special_registers(struct radeon_device *rdev, 
			}

			j++;



			if (j > SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE)

			if (j >= SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE)

				return -EINVAL;



			tmp = RREG32(MC_PMG_CMD_MRS);
@@ -1945,7 +1945,7 @@ static int btc_set_mc_special_registers(struct radeon_device *rdev, 
			}

			j++;



			if (j > SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE)

			if (j >= SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE)

				return -EINVAL;

			break;

		case MC_SEQ_RESERVE_M >> 2:
@@ -1959,7 +1959,7 @@ static int btc_set_mc_special_registers(struct radeon_device *rdev, 
			}

			j++;



			if (j > SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE)

			if (j >= SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE)

				return -EINVAL;

			break;

		default: