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authorMark Brown <broonie@linaro.org>2014-01-14 14:14:47 +0000
committerMark Brown <broonie@linaro.org>2014-01-14 14:14:47 +0000
commit13ea3300100ec3461560b1e061033cd167333a86 (patch)
treec60a016a06c488adada6959516e2a2de96d6d7d3 /drivers/uio/uio.c
parentb7ed6b88b2a5e961eeb939ef637a3cbb435a23a7 (diff)
parent68e67d97e1f91ed11e041b67f3a1336f518c608f (diff)
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Merge branch 'topic/rcar' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into spi-rspi
Diffstat (limited to 'drivers/uio/uio.c')
-rw-r--r--drivers/uio/uio.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
index 67beb8444930..f7beb6eb40c7 100644
--- a/drivers/uio/uio.c
+++ b/drivers/uio/uio.c
@@ -653,6 +653,8 @@ static int uio_mmap_physical(struct vm_area_struct *vma)
return -EINVAL;
mem = idev->info->mem + mi;
+ if (mem->addr & ~PAGE_MASK)
+ return -ENODEV;
if (vma->vm_end - vma->vm_start > mem->size)
return -EINVAL;