linux/drivers/gpu/drm/bochs/bochs_mm.c
kbuild test robot 201bd433bf drm/bochs: fix ptr_ret.cocci warnings
drivers/gpu/drm/bochs/bochs_mm.c:19:1-3: WARNING: PTR_ERR_OR_ZERO can be used

 Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: scripts/coccinelle/api/ptr_ret.cocci

Fixes: b3a25b9af8 ("drm/bochs: Convert bochs driver to VRAM MM")
CC: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: kbuild test robot <lkp@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20190520122314.GA155389@lkp-kbuild22
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-05-20 15:01:56 +02:00

29 lines
719 B
C

/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include "bochs.h"
/* ---------------------------------------------------------------------- */
int bochs_mm_init(struct bochs_device *bochs)
{
struct drm_vram_mm *vmm;
vmm = drm_vram_helper_alloc_mm(bochs->dev, bochs->fb_base,
bochs->fb_size,
&drm_gem_vram_mm_funcs);
return PTR_ERR_OR_ZERO(vmm);
}
void bochs_mm_fini(struct bochs_device *bochs)
{
if (!bochs->dev->vram_mm)
return;
drm_vram_helper_release_mm(bochs->dev);
}