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40064ef1ec
ECC counter structures are freed without removing the node from the stats_list. This can lead to invalid access due to dangling pointers. Update the ecc counter free logic to set them to NULL upon free, to remove them from stats_list and free them by validation. Also updated some of the ecc init paths where error was not propa- gated to callers and full ecc counters deallocation was not done. Now, calling unit ecc_free from any context (with counters alloc- ated or not) is harmless as requisite checks are in place. bug 3326612 bug 3345977 Change-Id: I05eb6ed226cff9197ad37776912da9dcb7e0716d Signed-off-by: Sagar Kamble <skamble@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2565264 Tested-by: Ashish Mhetre <amhetre@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com> Reviewed-by: Konsta Holtta <kholtta@nvidia.com> Reviewed-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> GVS: Gerrit_Virtual_Submit
33 lines
1.4 KiB
C
33 lines
1.4 KiB
C
/*
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* Copyright (c) 2018-2021, NVIDIA CORPORATION. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef NVGPU_ECC_GP10B_H
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#define NVGPU_ECC_GP10B_H
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struct gk20a;
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void gp10b_ecc_detect_enabled_units(struct gk20a *g);
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int gp10b_gr_ecc_init(struct gk20a *g);
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void gp10b_gr_ecc_deinit(struct gk20a *g);
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#endif /* NVGPU_ECC_GP10B_H */
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