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authorColin Cross <ccross@android.com>2013-08-21 12:50:37 -0700
committerColin Cross <ccross@android.com>2013-09-19 23:03:31 -0500
commitd37aa151f874563a35d49a0ff0a129ef332c5e9e (patch)
tree25872e1a220d4f12ab816b52ffa711b7b772c64f
parenta3041cac9fc117df010e66ce40091fa2c4f646f8 (diff)
ion: convert map_kernel to return ERR_PTR
ion is going to stop accepting NULL as an error value, use ERR_PTR. Change-Id: I030e8b72138904e38a4a5d225beaaa98427651fb Signed-off-by: Colin Cross <ccross@android.com>
-rw-r--r--drivers/gpu/ion/ion_carveout_heap.c7
-rw-r--r--drivers/gpu/ion/ion_heap.c3
2 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/ion/ion_carveout_heap.c b/drivers/gpu/ion/ion_carveout_heap.c
index ce8d311968f..86f35545eaf 100644
--- a/drivers/gpu/ion/ion_carveout_heap.c
+++ b/drivers/gpu/ion/ion_carveout_heap.c
@@ -112,13 +112,18 @@ void ion_carveout_heap_unmap_dma(struct ion_heap *heap,
void *ion_carveout_heap_map_kernel(struct ion_heap *heap,
struct ion_buffer *buffer)
{
+ void *ret;
int mtype = MT_MEMORY_NONCACHED;
if (buffer->flags & ION_FLAG_CACHED)
mtype = MT_MEMORY;
- return __arm_ioremap(buffer->priv_phys, buffer->size,
+ ret = __arm_ioremap(buffer->priv_phys, buffer->size,
mtype);
+ if (ret == NULL)
+ return ERR_PTR(-ENOMEM);
+
+ return ret;
}
void ion_carveout_heap_unmap_kernel(struct ion_heap *heap,
diff --git a/drivers/gpu/ion/ion_heap.c b/drivers/gpu/ion/ion_heap.c
index bf6a383bd98..786302de7ed 100644
--- a/drivers/gpu/ion/ion_heap.c
+++ b/drivers/gpu/ion/ion_heap.c
@@ -56,6 +56,9 @@ void *ion_heap_map_kernel(struct ion_heap *heap,
vaddr = vmap(pages, npages, VM_MAP, pgprot);
vfree(pages);
+ if (vaddr == NULL)
+ return ERR_PTR(-ENOMEM);
+
return vaddr;
}