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| author | YoungJun Cho <yj44.cho@samsung.com> | 2013-06-24 16:40:53 +0900 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2013-06-28 12:45:19 +1000 |
| commit | 7e3d88f9cce3ea3350fa25b89393a6dd2b8e5ed4 (patch) | |
| tree | ad5d9a4315187e36d930003e18bbd45655b43b31 /drivers/gpu/drm/drm_prime.c | |
| parent | b720d54a5caf077011f0dc6ba7792866d2828d16 (diff) | |
| download | linux-7e3d88f9cce3ea3350fa25b89393a6dd2b8e5ed4.tar.bz2 | |
drm/prime: replace NULL with error value in drm_prime_pages_to_sg
Instead of NULL, error value is casted with ERR_PTR() for
drm_prime_pages_to_sg() and IS_ERR_OR_NULL() macro is replaced
with IS_ERR() macro for drm_gem_map_dma_buf().
Signed-off-by: YoungJun Cho <yj44.cho@samsung.com>
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/drm_prime.c')
| -rw-r--r-- | drivers/gpu/drm/drm_prime.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c index 0daf2122a91d..4ad2c45090b3 100644 --- a/drivers/gpu/drm/drm_prime.c +++ b/drivers/gpu/drm/drm_prime.c @@ -97,7 +97,7 @@ static struct sg_table *drm_gem_map_dma_buf(struct dma_buf_attachment *attach, sgt = obj->dev->driver->gem_prime_get_sg_table(obj); - if (!IS_ERR_OR_NULL(sgt)) { + if (!IS_ERR(sgt)) { if (!dma_map_sg(attach->dev, sgt->sgl, sgt->nents, dir)) { sg_free_table(sgt); kfree(sgt); @@ -437,8 +437,10 @@ struct sg_table *drm_prime_pages_to_sg(struct page **pages, int nr_pages) int ret; sg = kmalloc(sizeof(struct sg_table), GFP_KERNEL); - if (!sg) + if (!sg) { + ret = -ENOMEM; goto out; + } ret = sg_alloc_table_from_pages(sg, pages, nr_pages, 0, nr_pages << PAGE_SHIFT, GFP_KERNEL); @@ -448,7 +450,7 @@ struct sg_table *drm_prime_pages_to_sg(struct page **pages, int nr_pages) return sg; out: kfree(sg); - return NULL; + return ERR_PTR(ret); } EXPORT_SYMBOL(drm_prime_pages_to_sg); |