From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
This patch has been added to the 3.12 stable tree. If you have any
objections, please let us know.
===============
commit 1f35d04a02a652f14566f875aef3a6f2af4cb77b upstream.
The iomap[] array has PCIM_IOMAP_MAX (6) elements and not
DEVICE_COUNT_RESOURCE (16). This bug was found using a static checker.
It may be that the "if (!(mask & (1 << i)))" check means we never
actually go past the end of the array in real life.
Fixes: ec04b075843d ('iomap: implement pcim_iounmap_regions()')
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Acked-by: Tejun Heo <tj@xxxxxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
lib/devres.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/devres.c b/lib/devres.c
index 823533138fa0..20afaf181b27 100644
--- a/lib/devres.c
+++ b/lib/devres.c
@@ -423,7 +423,7 @@ void pcim_iounmap_regions(struct pci_dev *pdev, int mask)
if (!iomap)
return;
- for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
+ for (i = 0; i < PCIM_IOMAP_MAX; i++) {
if (!(mask & (1 << i)))
continue;
--
2.7.2
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