diff options
| -rw-r--r-- | drivers/staging/android/ion/ion.c | 5 | ||||
| -rw-r--r-- | drivers/staging/android/ion/msm/msm_ion.c | 12 |
2 files changed, 11 insertions, 6 deletions
diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c index 067cd58375a4..f5a81fc48ffb 100644 --- a/drivers/staging/android/ion/ion.c +++ b/drivers/staging/android/ion/ion.c @@ -1561,6 +1561,11 @@ static int ion_sync_for_device(struct ion_client *client, int fd) } buffer = dmabuf->priv; + if (get_secure_vmid(buffer->flags) > 0) { + pr_err("%s: cannot sync a secure dmabuf\n", __func__); + dma_buf_put(dmabuf); + return -EINVAL; + } dma_sync_sg_for_device(NULL, buffer->sg_table->sgl, buffer->sg_table->nents, DMA_BIDIRECTIONAL); dma_buf_put(dmabuf); diff --git a/drivers/staging/android/ion/msm/msm_ion.c b/drivers/staging/android/ion/msm/msm_ion.c index c2ef091d72ce..a1dd5ccc8109 100644 --- a/drivers/staging/android/ion/msm/msm_ion.c +++ b/drivers/staging/android/ion/msm/msm_ion.c @@ -1,4 +1,4 @@ -/* Copyright (c) 2011-2016, The Linux Foundation. All rights reserved. +/* Copyright (c) 2011-2017, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and @@ -352,7 +352,7 @@ int ion_do_cache_op(struct ion_client *client, struct ion_handle *handle, if (!ION_IS_CACHED(flags)) return 0; - if (flags & ION_FLAG_SECURE) + if (get_secure_vmid(flags) > 0) return 0; table = ion_sg_table(client, handle); @@ -738,11 +738,11 @@ long msm_ion_custom_ioctl(struct ion_client *client, down_read(&mm->mmap_sem); - start = (unsigned long) data.flush_data.vaddr; - end = (unsigned long) data.flush_data.vaddr - + data.flush_data.length; + start = (unsigned long)data.flush_data.vaddr + + data.flush_data.offset; + end = start + data.flush_data.length; - if (start && check_vaddr_bounds(start, end)) { + if (check_vaddr_bounds(start, end)) { pr_err("%s: virtual address %pK is out of bounds\n", __func__, data.flush_data.vaddr); ret = -EINVAL; |