diff options
author | Davidlohr Bueso <dave@gnu.org> | 2010-08-11 09:18:52 -0400 |
---|---|---|
committer | Dave Airlie <airlied@redhat.com> | 2010-08-12 09:12:30 +1000 |
commit | 94e3370eb9fc00c44008ee7fd30c5cb00291c34d (patch) | |
tree | 87d5ec184988ad6e8626585036d786dbcccb1bb1 | |
parent | 7203425a943eb3e189ba6b512827e0deb5f23872 (diff) | |
download | linux-94e3370eb9fc00c44008ee7fd30c5cb00291c34d.tar.bz2 |
DRM: Replace kmalloc/memset combos with kzalloc
Currently most, if not all, memory allocation in drm_bufs.c is followed by initializing the memory with 0.
Replace the use of kmalloc+memset with kzalloc.
Signed-off-by: Davidlohr Bueso <dave@gnu.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
-rw-r--r-- | drivers/gpu/drm/drm_bufs.c | 33 |
1 files changed, 11 insertions, 22 deletions
diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c index a5c9ce93bbcb..3e257a50bf56 100644 --- a/drivers/gpu/drm/drm_bufs.c +++ b/drivers/gpu/drm/drm_bufs.c @@ -328,14 +328,13 @@ static int drm_addmap_core(struct drm_device * dev, resource_size_t offset, return -EINVAL; } - list = kmalloc(sizeof(*list), GFP_KERNEL); + list = kzalloc(sizeof(*list), GFP_KERNEL); if (!list) { if (map->type == _DRM_REGISTERS) iounmap(map->handle); kfree(map); return -EINVAL; } - memset(list, 0, sizeof(*list)); list->map = map; mutex_lock(&dev->struct_mutex); @@ -678,13 +677,12 @@ int drm_addbufs_agp(struct drm_device * dev, struct drm_buf_desc * request) return -EINVAL; } - entry->buflist = kmalloc(count * sizeof(*entry->buflist), GFP_KERNEL); + entry->buflist = kzalloc(count * sizeof(*entry->buflist), GFP_KERNEL); if (!entry->buflist) { mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -ENOMEM; } - memset(entry->buflist, 0, count * sizeof(*entry->buflist)); entry->buf_size = size; entry->page_order = page_order; @@ -708,7 +706,7 @@ int drm_addbufs_agp(struct drm_device * dev, struct drm_buf_desc * request) buf->file_priv = NULL; buf->dev_priv_size = dev->driver->dev_priv_size; - buf->dev_private = kmalloc(buf->dev_priv_size, GFP_KERNEL); + buf->dev_private = kzalloc(buf->dev_priv_size, GFP_KERNEL); if (!buf->dev_private) { /* Set count correctly so we free the proper amount. */ entry->buf_count = count; @@ -717,7 +715,6 @@ int drm_addbufs_agp(struct drm_device * dev, struct drm_buf_desc * request) atomic_dec(&dev->buf_alloc); return -ENOMEM; } - memset(buf->dev_private, 0, buf->dev_priv_size); DRM_DEBUG("buffer %d @ %p\n", entry->buf_count, buf->address); @@ -832,22 +829,20 @@ int drm_addbufs_pci(struct drm_device * dev, struct drm_buf_desc * request) return -EINVAL; } - entry->buflist = kmalloc(count * sizeof(*entry->buflist), GFP_KERNEL); + entry->buflist = kzalloc(count * sizeof(*entry->buflist), GFP_KERNEL); if (!entry->buflist) { mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -ENOMEM; } - memset(entry->buflist, 0, count * sizeof(*entry->buflist)); - entry->seglist = kmalloc(count * sizeof(*entry->seglist), GFP_KERNEL); + entry->seglist = kzalloc(count * sizeof(*entry->seglist), GFP_KERNEL); if (!entry->seglist) { kfree(entry->buflist); mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -ENOMEM; } - memset(entry->seglist, 0, count * sizeof(*entry->seglist)); /* Keep the original pagelist until we know all the allocations * have succeeded @@ -911,8 +906,8 @@ int drm_addbufs_pci(struct drm_device * dev, struct drm_buf_desc * request) buf->file_priv = NULL; buf->dev_priv_size = dev->driver->dev_priv_size; - buf->dev_private = kmalloc(buf->dev_priv_size, - GFP_KERNEL); + buf->dev_private = kzalloc(buf->dev_priv_size, + GFP_KERNEL); if (!buf->dev_private) { /* Set count correctly so we free the proper amount. */ entry->buf_count = count; @@ -923,7 +918,6 @@ int drm_addbufs_pci(struct drm_device * dev, struct drm_buf_desc * request) atomic_dec(&dev->buf_alloc); return -ENOMEM; } - memset(buf->dev_private, 0, buf->dev_priv_size); DRM_DEBUG("buffer %d @ %p\n", entry->buf_count, buf->address); @@ -1048,14 +1042,13 @@ static int drm_addbufs_sg(struct drm_device * dev, struct drm_buf_desc * request return -EINVAL; } - entry->buflist = kmalloc(count * sizeof(*entry->buflist), + entry->buflist = kzalloc(count * sizeof(*entry->buflist), GFP_KERNEL); if (!entry->buflist) { mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -ENOMEM; } - memset(entry->buflist, 0, count * sizeof(*entry->buflist)); entry->buf_size = size; entry->page_order = page_order; @@ -1080,7 +1073,7 @@ static int drm_addbufs_sg(struct drm_device * dev, struct drm_buf_desc * request buf->file_priv = NULL; buf->dev_priv_size = dev->driver->dev_priv_size; - buf->dev_private = kmalloc(buf->dev_priv_size, GFP_KERNEL); + buf->dev_private = kzalloc(buf->dev_priv_size, GFP_KERNEL); if (!buf->dev_private) { /* Set count correctly so we free the proper amount. */ entry->buf_count = count; @@ -1090,8 +1083,6 @@ static int drm_addbufs_sg(struct drm_device * dev, struct drm_buf_desc * request return -ENOMEM; } - memset(buf->dev_private, 0, buf->dev_priv_size); - DRM_DEBUG("buffer %d @ %p\n", entry->buf_count, buf->address); offset += alignment; @@ -1209,14 +1200,13 @@ static int drm_addbufs_fb(struct drm_device * dev, struct drm_buf_desc * request return -EINVAL; } - entry->buflist = kmalloc(count * sizeof(*entry->buflist), + entry->buflist = kzalloc(count * sizeof(*entry->buflist), GFP_KERNEL); if (!entry->buflist) { mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -ENOMEM; } - memset(entry->buflist, 0, count * sizeof(*entry->buflist)); entry->buf_size = size; entry->page_order = page_order; @@ -1240,7 +1230,7 @@ static int drm_addbufs_fb(struct drm_device * dev, struct drm_buf_desc * request buf->file_priv = NULL; buf->dev_priv_size = dev->driver->dev_priv_size; - buf->dev_private = kmalloc(buf->dev_priv_size, GFP_KERNEL); + buf->dev_private = kzalloc(buf->dev_priv_size, GFP_KERNEL); if (!buf->dev_private) { /* Set count correctly so we free the proper amount. */ entry->buf_count = count; @@ -1249,7 +1239,6 @@ static int drm_addbufs_fb(struct drm_device * dev, struct drm_buf_desc * request atomic_dec(&dev->buf_alloc); return -ENOMEM; } - memset(buf->dev_private, 0, buf->dev_priv_size); DRM_DEBUG("buffer %d @ %p\n", entry->buf_count, buf->address); |