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git://nv-tegra.nvidia.com/linux-nvgpu.git
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f97d62eb8f
-issue: flcn pointer in nvgpu_flcn_sw_init() will be NULL in default case of switch, and that results in NULL pointer dereference on flcn->flcn_id. -Fix: Used flcn_id parameter to print falcon id in default case. Coverity ID: 2514311 Coverity ID: 2514313 Bug 200291879 Change-Id: I7008817c22cdf8d9d9027cc1b724e2424b4a3d8e Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com> Reviewed-on: http://git-master/r/1491694 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-by: Sachin Nikam <snikam@nvidia.com> Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
/*
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* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*/
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#include <nvgpu/lock.h>
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#include <nvgpu/timers.h>
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#include <nvgpu/falcon.h>
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#include "gk20a/gk20a.h"
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void nvgpu_flcn_sw_init(struct gk20a *g, u32 flcn_id)
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{
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struct nvgpu_falcon *flcn = NULL;
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struct gpu_ops *gops = &g->ops;
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switch (flcn_id) {
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case FALCON_ID_PMU:
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flcn = &g->pmu_flcn;
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flcn->flcn_id = flcn_id;
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break;
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case FALCON_ID_SEC2:
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flcn = &g->sec2_flcn;
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flcn->flcn_id = flcn_id;
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break;
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case FALCON_ID_FECS:
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flcn = &g->fecs_flcn;
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flcn->flcn_id = flcn_id;
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break;
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case FALCON_ID_GPCCS:
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flcn = &g->gpccs_flcn;
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flcn->flcn_id = flcn_id;
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break;
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default:
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nvgpu_err(g, "Invalid/Unsupported falcon ID %x", flcn_id);
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break;
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};
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/* call to HAL method to assign flcn base & ops to selected falcon */
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if (flcn) {
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flcn->g = g;
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gops->falcon.falcon_hal_sw_init(flcn);
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}
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}
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