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gpu: nvgpu: resolve GCC 9.3 toolchain errors

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Using updated GCC 9.3 toolchain results into build failure with string
functions. The updated toolchain requires strncat API to be independent
of source string length.
Update strncat used in nvgpu_worker_init_name to use destination length
only.

Bug 3270814

Change-Id: Ie50a2bed2dc09a5e34d14012e1ba878ef4ff176f
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2500503
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Aidan Ha <aha@nvidia.com>
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Vedashree Vidwans
2021-03-17 15:46:50 -07:00
committed by mobile promotions
parent ff8fbf1004
commit 8ebe7ca314
1 changed files with 4 additions and 7 deletions
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11
drivers/gpu/nvgpu/common/utils/worker.c
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2019-2021, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -256,18 +256,15 @@ void nvgpu_worker_init_name(struct nvgpu_worker *worker,
/* Terminate thread name with NULL character */
worker->thread_name[0] = '\0';
(void) strncat(worker->thread_name, worker_name,
min(num_free_chars, strlen(worker_name)));
(void) strncat(worker->thread_name, worker_name, num_free_chars);
num_free_chars = worker_name_size - strlen(worker->thread_name);
(void) strncat(worker->thread_name, "_",
min(num_free_chars, sizeof("_")));
(void) strncat(worker->thread_name, "_", num_free_chars);
num_free_chars = worker_name_size - strlen(worker->thread_name);
(void) strncat(worker->thread_name, gpu_name,
min(num_free_chars, strlen(gpu_name)));
(void) strncat(worker->thread_name, gpu_name, num_free_chars);
}
int nvgpu_worker_init(struct gk20a *g, struct nvgpu_worker *worker,