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 45c7f829e387..ad06fe669d98 100644 --- a/drivers/staging/android/ion/ion.c +++ b/drivers/staging/android/ion/ion.c @@ -140,6 +140,9 @@ 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; } |