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This commit is contained in:
Bernhard Stoeckner
2024-01-24 17:51:53 +01:00
parent bb2dac1f20
commit 91676d6628
1411 changed files with 261367 additions and 145959 deletions
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19
kernel-open/nvidia/nv-mmap.c
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: Copyright (c) 1999-2021 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-FileCopyrightText: Copyright (c) 1999-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a
@@ -705,9 +705,9 @@ int nvidia_mmap(
struct vm_area_struct *vma
)
{
nv_linux_state_t *nvl = NV_GET_NVL_FROM_FILEP(file);
nv_state_t *nv = NV_STATE_PTR(nvl);
nv_linux_file_private_t *nvlfp = NV_GET_LINUX_FILE_PRIVATE(file);
nv_linux_state_t *nvl;
nv_state_t *nv;
nvidia_stack_t *sp = NULL;
int status;
@@ -720,6 +720,19 @@ int nvidia_mmap(
return -EINVAL;
}
if (!nv_is_control_device(NV_FILE_INODE(file)))
{
status = nv_wait_open_complete_interruptible(nvlfp);
if (status != 0)
return status;
}
nvl = nvlfp->nvptr;
if (nvl == NULL)
return -EIO;
nv = NV_STATE_PTR(nvl);
status = nv_kmem_cache_alloc_stack(&sp);
if (status != 0)
{