diff options
Diffstat (limited to 'drivers/staging/android/ion/ion.c')
| -rw-r--r-- | drivers/staging/android/ion/ion.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c index e6b1ca141b93..88888cc5d193 100644 --- a/drivers/staging/android/ion/ion.c +++ b/drivers/staging/android/ion/ion.c @@ -114,6 +114,9 @@ static void *ion_buffer_kmap_get(struct ion_buffer *buffer) void *vaddr; if (buffer->kmap_cnt) { + if (buffer->kmap_cnt == INT_MAX) + return ERR_PTR(-EOVERFLOW); + buffer->kmap_cnt++; return buffer->vaddr; } |