forked from Minki/linux
b162d47e14
Avoid having too large a stack by creating the fake struct inode/file on the heap instead. drivers/gpu/drm/i915/selftests/mock_drm.c: In function 'mock_file': drivers/gpu/drm/i915/selftests/mock_drm.c:46:1: error: the frame size of 1328 bytes is larger than 1280 bytes [-Werror=frame-larger-than=] drivers/gpu/drm/i915/selftests/mock_drm.c: In function 'mock_file_free': drivers/gpu/drm/i915/selftests/mock_drm.c:54:1: error: the frame size of 1312 bytes is larger than 1280 bytes [-Werror=frame-larger-than=] Reported-by: Arnd Bergmann <arnd@arndb.de> Fixes:66d9cb5d80("drm/i915: Mock the GEM device for self-testing") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Matthew Auld <matthew.auld@intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Acked-by: Arnd Bergmann <arnd@arndb.de> Link: http://patchwork.freedesktop.org/patch/msgid/20170419094143.16922-2-chris@chris-wilson.co.uk Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> (cherry picked from commit2310b3c952) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
74 lines
2.0 KiB
C
74 lines
2.0 KiB
C
/*
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* Copyright © 2017 Intel Corporation
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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 (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* 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 DEALINGS
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* IN THE SOFTWARE.
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*
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*/
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#include "mock_drm.h"
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struct drm_file *mock_file(struct drm_i915_private *i915)
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{
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struct file *filp;
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struct inode *inode;
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struct drm_file *file;
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int err;
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inode = kzalloc(sizeof(*inode), GFP_KERNEL);
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if (!inode) {
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err = -ENOMEM;
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goto err;
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}
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inode->i_rdev = i915->drm.primary->index;
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filp = kzalloc(sizeof(*filp), GFP_KERNEL);
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if (!filp) {
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err = -ENOMEM;
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goto err_inode;
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}
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err = drm_open(inode, filp);
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if (err)
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goto err_filp;
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file = filp->private_data;
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memset(&file->filp, POISON_INUSE, sizeof(file->filp));
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file->authenticated = true;
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kfree(filp);
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kfree(inode);
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return file;
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err_filp:
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kfree(filp);
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err_inode:
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kfree(inode);
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err:
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return ERR_PTR(err);
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}
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void mock_file_free(struct drm_i915_private *i915, struct drm_file *file)
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{
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struct file filp = { .private_data = file };
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drm_release(NULL, &filp);
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}
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