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author | Colin Cross <ccross@android.com> | 2013-12-14 03:26:20 (GMT) |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-14 16:59:53 (GMT) |
commit | f0f06763820e5b5f6e13afa814e68e8f4d955c45 (patch) | |
tree | c864794a1dc06f573c58bf7e9b546ab32189cb89 | |
parent | 797e88be2f3e928fe5d8498f42a65a6e77b09c29 (diff) | |
download | linux-f0f06763820e5b5f6e13afa814e68e8f4d955c45.tar.xz |
ion: add alignment check to carveout heap
Signed-off-by: Colin Cross <ccross@android.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | drivers/staging/android/ion/ion_carveout_heap.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/staging/android/ion/ion_carveout_heap.c b/drivers/staging/android/ion/ion_carveout_heap.c index 1d53e91..b0b08c3 100644 --- a/drivers/staging/android/ion/ion_carveout_heap.c +++ b/drivers/staging/android/ion/ion_carveout_heap.c @@ -70,6 +70,9 @@ static int ion_carveout_heap_allocate(struct ion_heap *heap, unsigned long size, unsigned long align, unsigned long flags) { + if (align > PAGE_SIZE) + return -EINVAL; + buffer->priv_phys = ion_carveout_allocate(heap, size, align); return buffer->priv_phys == ION_CARVEOUT_ALLOCATE_FAIL ? -ENOMEM : 0; } |