[PATCH xf86-video-amdgpu] Replace 'foo == NULL' with '!foo'

Alex Deucher alexdeucher at gmail.com
Wed May 16 15:41:06 UTC 2018


On Wed, May 16, 2018 at 10:51 AM, Michel Dänzer <michel at daenzer.net> wrote:
> From: Michel Dänzer <michel.daenzer at amd.com>
>
> Shorter and sweeter. :)
>
> Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  src/amdgpu_bo_helper.c       | 10 ++++------
>  src/amdgpu_dri2.c            | 10 +++++-----
>  src/amdgpu_glamor.c          |  2 +-
>  src/amdgpu_glamor_wrappers.c |  2 +-
>  src/amdgpu_kms.c             |  8 ++++----
>  src/amdgpu_pixmap.c          |  2 +-
>  src/amdgpu_pixmap.h          |  2 +-
>  src/amdgpu_video.c           |  2 +-
>  src/drmmode_display.c        |  8 ++++----
>  9 files changed, 22 insertions(+), 24 deletions(-)
>
> diff --git a/src/amdgpu_bo_helper.c b/src/amdgpu_bo_helper.c
> index 34880ff12..98eb04a64 100644
> --- a/src/amdgpu_bo_helper.c
> +++ b/src/amdgpu_bo_helper.c
> @@ -252,7 +252,7 @@ int amdgpu_bo_map(ScrnInfoPtr pScrn, struct amdgpu_buffer *bo)
>                         PROT_READ | PROT_WRITE, MAP_SHARED,
>                         fd, args.out.addr_ptr);
>
> -               if (ptr == NULL) {
> +               if (!ptr) {
>                         ErrorF("Failed to mmap the bo\n");
>                         return -1;
>                 }
> @@ -266,7 +266,7 @@ int amdgpu_bo_map(ScrnInfoPtr pScrn, struct amdgpu_buffer *bo)
>
>  void amdgpu_bo_unmap(struct amdgpu_buffer *bo)
>  {
> -       if (bo->cpu_ptr == NULL)
> +       if (!bo->cpu_ptr)
>                 return;
>
>         if (bo->flags & AMDGPU_BO_FLAGS_GBM) {
> @@ -289,9 +289,8 @@ struct amdgpu_buffer *amdgpu_bo_open(amdgpu_device_handle pDev,
>         memset(&alloc_request, 0, sizeof(struct amdgpu_bo_alloc_request));
>
>         bo = (struct amdgpu_buffer *)calloc(1, sizeof(struct amdgpu_buffer));
> -       if (bo == NULL) {
> +       if (!bo)
>                 return NULL;
> -       }
>
>         alloc_request.alloc_size = alloc_size;
>         alloc_request.phys_alignment = phys_alignment;
> @@ -376,9 +375,8 @@ struct amdgpu_buffer *amdgpu_gem_bo_open_prime(amdgpu_device_handle pDev,
>         struct amdgpu_bo_import_result buffer = {0};
>
>         bo = (struct amdgpu_buffer *)calloc(1, sizeof(struct amdgpu_buffer));
> -       if (bo == NULL) {
> +       if (!bo)
>                 return NULL;
> -       }
>
>         if (amdgpu_bo_import(pDev, amdgpu_bo_handle_type_dma_buf_fd,
>                              (uint32_t)fd_handle, &buffer)) {
> diff --git a/src/amdgpu_dri2.c b/src/amdgpu_dri2.c
> index 4a0f8bf24..a9e2819ae 100644
> --- a/src/amdgpu_dri2.c
> +++ b/src/amdgpu_dri2.c
> @@ -162,7 +162,7 @@ amdgpu_dri2_create_buffer2(ScreenPtr pScreen,
>         }
>
>         buffers = calloc(1, sizeof *buffers);
> -       if (buffers == NULL)
> +       if (!buffers)
>                 goto error;
>
>         if (pixmap) {
> @@ -176,7 +176,7 @@ amdgpu_dri2_create_buffer2(ScreenPtr pScreen,
>         }
>
>         privates = calloc(1, sizeof(struct dri2_buffer_priv));
> -       if (privates == NULL)
> +       if (!privates)
>                 goto error;
>
>         buffers->attachment = attachment;
> @@ -830,7 +830,7 @@ static int amdgpu_dri2_get_msc(DrawablePtr draw, CARD64 * ust, CARD64 * msc)
>         xf86CrtcPtr crtc = amdgpu_dri2_drawable_crtc(draw, TRUE);
>
>         /* Drawable not displayed, make up a value */
> -       if (crtc == NULL) {
> +       if (!crtc) {
>                 *ust = 0;
>                 *msc = 0;
>                 return TRUE;
> @@ -941,7 +941,7 @@ static int amdgpu_dri2_schedule_wait_msc(ClientPtr client, DrawablePtr draw,
>         remainder &= 0xffffffff;
>
>         /* Drawable not visible, return immediately */
> -       if (crtc == NULL)
> +       if (!crtc)
>                 goto out_complete;
>
>         msc_delta = amdgpu_get_msc_delta(draw, crtc);
> @@ -1101,7 +1101,7 @@ static int amdgpu_dri2_schedule_swap(ClientPtr client, DrawablePtr draw,
>         amdgpu_dri2_ref_buffer(back);
>
>         /* either off-screen or CRTC not usable... just complete the swap */
> -       if (crtc == NULL)
> +       if (!crtc)
>                 goto blit_fallback;
>
>         msc_delta = amdgpu_get_msc_delta(draw, crtc);
> diff --git a/src/amdgpu_glamor.c b/src/amdgpu_glamor.c
> index 6efc372df..44cdbcff7 100644
> --- a/src/amdgpu_glamor.c
> +++ b/src/amdgpu_glamor.c
> @@ -216,7 +216,7 @@ amdgpu_glamor_create_pixmap(ScreenPtr screen, int w, int h, int depth,
>                 int stride;
>
>                 priv = calloc(1, sizeof(struct amdgpu_pixmap));
> -               if (priv == NULL)
> +               if (!priv)
>                         goto fallback_pixmap;
>
>                 priv->bo = amdgpu_alloc_pixmap_bo(scrn, w, h, depth, usage,
> diff --git a/src/amdgpu_glamor_wrappers.c b/src/amdgpu_glamor_wrappers.c
> index fab8e5ab9..d44eec9a8 100644
> --- a/src/amdgpu_glamor_wrappers.c
> +++ b/src/amdgpu_glamor_wrappers.c
> @@ -209,7 +209,7 @@ amdgpu_glamor_picture_prepare_access_cpu_ro(ScrnInfoPtr scrn,
>         PixmapPtr pixmap;
>         struct amdgpu_pixmap *priv;
>
> -       if (picture->pDrawable == NULL)
> +       if (!picture->pDrawable)
>                 return TRUE;
>
>         pixmap = get_drawable_pixmap(picture->pDrawable);
> diff --git a/src/amdgpu_kms.c b/src/amdgpu_kms.c
> index 5ea90f90c..bedd02037 100644
> --- a/src/amdgpu_kms.c
> +++ b/src/amdgpu_kms.c
> @@ -1511,7 +1511,7 @@ Bool AMDGPUPreInit_KMS(ScrnInfoPtr pScrn, int flags)
>                         return FALSE;
>         }
>
> -       if (pScrn->modes == NULL
> +       if (!pScrn->modes
>  #ifdef XSERVER_PLATFORM_BUS
>             && !pScrn->is_gpu
>  #endif
> @@ -1781,7 +1781,7 @@ Bool AMDGPUScreenInit_KMS(ScreenPtr pScreen, int argc, char **argv)
>                 info->fb_shadow = calloc(1,
>                                          pScrn->displayWidth * pScrn->virtualY *
>                                          ((pScrn->bitsPerPixel + 7) >> 3));
> -               if (info->fb_shadow == NULL) {
> +               if (!info->fb_shadow) {
>                         xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
>                                    "Failed to allocate shadow framebuffer\n");
>                         return FALSE;
> @@ -2160,7 +2160,7 @@ static Bool amdgpu_setup_kernel_mem(ScreenPtr pScreen)
>         cursor_size = AMDGPU_ALIGN(cursor_size, AMDGPU_GPU_PAGE_SIZE);
>         for (c = 0; c < xf86_config->num_crtc; c++) {
>                 /* cursor objects */
> -               if (info->cursor_buffer[c] == NULL) {
> +               if (!info->cursor_buffer[c]) {
>                         if (info->gbm) {
>                                 info->cursor_buffer[c] = (struct amdgpu_buffer *)calloc(1, sizeof(struct amdgpu_buffer));
>                                 if (!info->cursor_buffer[c]) {
> @@ -2202,7 +2202,7 @@ static Bool amdgpu_setup_kernel_mem(ScreenPtr pScreen)
>                 }
>         }
>
> -       if (info->front_buffer == NULL) {
> +       if (!info->front_buffer) {
>                 int pitch;
>                 int hint = 0;
>
> diff --git a/src/amdgpu_pixmap.c b/src/amdgpu_pixmap.c
> index f2008b5a4..c5e80ad51 100644
> --- a/src/amdgpu_pixmap.c
> +++ b/src/amdgpu_pixmap.c
> @@ -56,7 +56,7 @@ amdgpu_pixmap_create(ScreenPtr screen, int w, int h, int depth,       unsigned usage)
>                 int stride;
>
>                 priv = calloc(1, sizeof(struct amdgpu_pixmap));
> -               if (priv == NULL)
> +               if (!priv)
>                         goto fallback_pixmap;
>
>                 scrn = xf86ScreenToScrn(screen);
> diff --git a/src/amdgpu_pixmap.h b/src/amdgpu_pixmap.h
> index d744ca573..0cff1952f 100644
> --- a/src/amdgpu_pixmap.h
> +++ b/src/amdgpu_pixmap.h
> @@ -62,7 +62,7 @@ static inline Bool amdgpu_set_pixmap_bo(PixmapPtr pPix, struct amdgpu_buffer *bo
>         struct amdgpu_pixmap *priv;
>
>         priv = amdgpu_get_pixmap_private(pPix);
> -       if (priv == NULL && bo == NULL)
> +       if (!priv && !bo)
>                 return TRUE;
>
>         if (priv) {
> diff --git a/src/amdgpu_video.c b/src/amdgpu_video.c
> index 8f9a2b977..94ae17096 100644
> --- a/src/amdgpu_video.c
> +++ b/src/amdgpu_video.c
> @@ -135,7 +135,7 @@ void AMDGPUInitVideo(ScreenPtr pScreen)
>         num_adaptors = xf86XVListGenericAdaptors(pScrn, &adaptors);
>         newAdaptors =
>             malloc((num_adaptors + 2) * sizeof(*newAdaptors));
> -       if (newAdaptors == NULL)
> +       if (!newAdaptors)
>                 return;
>
>         memcpy(newAdaptors, adaptors,
> diff --git a/src/drmmode_display.c b/src/drmmode_display.c
> index 49284c697..0ee89961a 100644
> --- a/src/drmmode_display.c
> +++ b/src/drmmode_display.c
> @@ -368,7 +368,7 @@ create_pixmap_for_fbcon(drmmode_ptr drmmode,
>                 return pixmap;
>
>         fbcon = drmModeGetFB(pAMDGPUEnt->fd, fbcon_id);
> -       if (fbcon == NULL)
> +       if (!fbcon)
>                 return NULL;
>
>         if (fbcon->depth != pScrn->depth ||
> @@ -384,7 +384,7 @@ create_pixmap_for_fbcon(drmmode_ptr drmmode,
>         }
>
>         bo = calloc(1, sizeof(struct amdgpu_buffer));
> -       if (bo == NULL) {
> +       if (!bo) {
>                 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
>                            "Couldn't allocate bo for fbcon handle\n");
>                 goto out_free_fb;
> @@ -1342,7 +1342,7 @@ drmmode_crtc_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, drmModeResPtr mode_res
>         AMDGPUInfoPtr info = AMDGPUPTR(pScrn);
>
>         crtc = xf86CrtcCreate(pScrn, &info->drmmode_crtc_funcs);
> -       if (crtc == NULL)
> +       if (!crtc)
>                 return 0;
>
>         drmmode_crtc = xnfcalloc(sizeof(drmmode_crtc_private_rec), 1);
> @@ -2233,7 +2233,7 @@ static Bool drmmode_xf86crtc_resize(ScrnInfoPtr scrn, int width, int height)
>                                            width, height, -1, -1, pitch, info->front_buffer->cpu_ptr);
>         } else {
>                 fb_shadow = calloc(1, pitch * scrn->virtualY);
> -               if (fb_shadow == NULL)
> +               if (!fb_shadow)
>                         goto fail;
>                 free(info->fb_shadow);
>                 info->fb_shadow = fb_shadow;
> --
> 2.17.0
>
> _______________________________________________
> amd-gfx mailing list
> amd-gfx at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx


More information about the amd-gfx mailing list