diff options
| author | Poddar, Siddarth <siddpodd@codeaurora.org> | 2017-03-20 13:20:33 +0530 |
|---|---|---|
| committer | Sandeep Puligilla <spuligil@codeaurora.org> | 2017-03-20 18:23:02 -0700 |
| commit | e55774333d0427c5e2eb0a2e9875a082f891bdb3 (patch) | |
| tree | 3071f01039b2373417f98e764475b4210ddf6d4b /qdf/linux/src | |
| parent | 0431b2c31a78667e503cfec1eb5c758978514300 (diff) | |
qcacmn: Add NULL check for dma address before calling unmap
Add NULL check for dma address of buffer before calling unmap.
Change-Id: Id10a767d97fc1328b6d42e804f5a3e8639ff8fbf
CRs-Fixed: 2021902
Diffstat (limited to 'qdf/linux/src')
| -rw-r--r-- | qdf/linux/src/qdf_nbuf.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/qdf/linux/src/qdf_nbuf.c b/qdf/linux/src/qdf_nbuf.c index 8e771bfee684..3a8a25503e92 100644 --- a/qdf/linux/src/qdf_nbuf.c +++ b/qdf/linux/src/qdf_nbuf.c @@ -357,8 +357,9 @@ void __qdf_nbuf_unmap_single(qdf_device_t osdev, qdf_nbuf_t buf, void __qdf_nbuf_unmap_single(qdf_device_t osdev, qdf_nbuf_t buf, qdf_dma_dir_t dir) { - dma_unmap_single(osdev->dev, QDF_NBUF_CB_PADDR(buf), - skb_end_pointer(buf) - buf->data, dir); + if (QDF_NBUF_CB_PADDR(buf)) + dma_unmap_single(osdev->dev, QDF_NBUF_CB_PADDR(buf), + skb_end_pointer(buf) - buf->data, dir); } #endif EXPORT_SYMBOL(__qdf_nbuf_unmap_single); |