1 files changed, 16 insertions, 14 deletions

diff --git a/kernel/resource.c b/kernel/resource.c
index e68cd7477c40..03c897f7935e 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -321,35 +321,37 @@ static int find_resource(struct resource *root, struct resource *new,
                          void *alignf_data)
 {
         struct resource *this = root->child;
+        struct resource tmp = *new;
 
-        new->start = root->start;
+        tmp.start = root->start;
         /*
          * Skip past an allocated resource that starts at 0, since the assignment
-         * of this->start - 1 to new->end below would cause an underflow.
+         * of this->start - 1 to tmp->end below would cause an underflow.
          */
         if (this && this->start == 0) {
-                new->start = this->end + 1;
+                tmp.start = this->end + 1;
                 this = this->sibling;
         }
         for(;;) {
                 if (this)
-                        new->end = this->start - 1;
+                        tmp.end = this->start - 1;
                 else
-                        new->end = root->end;
-                if (new->start < min)
-                        new->start = min;
-                if (new->end > max)
-                        new->end = max;
-                new->start = ALIGN(new->start, align);
+                        tmp.end = root->end;
+                if (tmp.start < min)
+                        tmp.start = min;
+                if (tmp.end > max)
+                        tmp.end = max;
+                tmp.start = ALIGN(tmp.start, align);
                 if (alignf)
-                        alignf(alignf_data, new, size, align);
-                if (new->start < new->end && new->end - new->start >= size - 1) {
-                        new->end = new->start + size - 1;
+                        alignf(alignf_data, &tmp, size, align);
+                if (tmp.start < tmp.end && tmp.end - tmp.start >= size - 1) {
+                        new->start = tmp.start;
+                        new->end = tmp.start + size - 1;
                         return 0;
                 }
                 if (!this)
                         break;
-                new->start = this->end + 1;
+                tmp.start = this->end + 1;
                 this = this->sibling;
         }
         return -EBUSY;