summaryrefslogtreecommitdiffstats
path: root/kernel/resource.c
diff options
context:
space:
mode:
authorArnd Bergmann <arnd@arndb.de>2011-10-20 18:32:02 +0200
committerArnd Bergmann <arnd@arndb.de>2011-10-20 18:32:02 +0200
commit91056a63a7d8dbc817747a22d9a9490463323575 (patch)
treea220d265d01075c05f4cd35d998e65849bb47bc8 /kernel/resource.c
parent05d900c9d8ce536c6792efb323c82b1c97b54bf9 (diff)
parentf2d8df92f69b8c719ca1a46d2615b168b2cc9cdf (diff)
Merge branch 'imx-cleanups-for-arnd' of git://git.pengutronix.de/git/imx/linux-2.6 into imx/cleanup
Diffstat (limited to 'kernel/resource.c')
-rw-r--r--kernel/resource.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/resource.c b/kernel/resource.c
index 3b3cedc5259..c8dc249da5c 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -419,6 +419,9 @@ static int __find_resource(struct resource *root, struct resource *old,
else
tmp.end = root->end;
+ if (tmp.end < tmp.start)
+ goto next;
+
resource_clip(&tmp, constraint->min, constraint->max);
arch_remove_reservations(&tmp);
@@ -436,8 +439,10 @@ static int __find_resource(struct resource *root, struct resource *old,
return 0;
}
}
- if (!this)
+
+next: if (!this || this->end == root->end)
break;
+
if (this != old)
tmp.start = this->end + 1;
this = this->sibling;