From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dan Carpenter , Alex Deucher Subject: [ 22/50] drm/radeon/dpm/btc: off by one in btc_set_mc_special_registers() Date: Wed, 16 Oct 2013 10:45:08 -0700 Message-Id: <20131016174401.070475541@linuxfoundation.org> In-Reply-To: <20131016174358.335646140@linuxfoundation.org> References: <20131016174358.335646140@linuxfoundation.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.11-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dan Carpenter commit 96d8df846f52a720c8ae1fadadfad7c9e733e336 upstream. It should be ">=" instead of ">" here. The table->mc_reg_address[] array has SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE (16) elements. Signed-off-by: Dan Carpenter Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/radeon/btc_dpm.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- a/drivers/gpu/drm/radeon/btc_dpm.c +++ b/drivers/gpu/drm/radeon/btc_dpm.c @@ -1913,7 +1913,7 @@ static int btc_set_mc_special_registers( } 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); @@ -1928,7 +1928,7 @@ static int btc_set_mc_special_registers( } 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: @@ -1942,7 +1942,7 @@ static int btc_set_mc_special_registers( } j++; - if (j > SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE) + if (j >= SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE) return -EINVAL; break; default: