1 files changed, 17 insertions, 16 deletions

diff --git a/kernel/resource.c b/kernel/resource.c
index bb966699da31..d02a53fb95d8 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -727,45 +727,46 @@ static int __find_resource_space(struct resource *root, struct resource *old,
 				 struct resource_constraint *constraint)
 {
 	struct resource *this = root->child;
-	struct resource tmp = *new, avail, alloc;
+	struct resource full_avail = *new, avail, alloc;
 	resource_alignf alignf = constraint->alignf;
 
-	tmp.start = root->start;
+	full_avail.start = root->start;
 	/*
 	 * Skip past an allocated resource that starts at 0, since the assignment
-	 * of this->start - 1 to tmp->end below would cause an underflow.
+	 * of this->start - 1 to full_avail->end below would cause an underflow.
 	 */
 	if (this && this->start == root->start) {
-		tmp.start = (this == old) ? old->start : this->end + 1;
+		full_avail.start = (this == old) ? old->start : this->end + 1;
 		this = this->sibling;
 	}
 	for(;;) {
 		if (this)
-			tmp.end = (this == old) ?  this->end : this->start - 1;
+			full_avail.end = (this == old) ?  this->end : this->start - 1;
 		else
-			tmp.end = root->end;
+			full_avail.end = root->end;
 
-		if (tmp.end < tmp.start)
+		if (full_avail.end < full_avail.start)
 			goto next;
 
-		resource_clip(&tmp, constraint->min, constraint->max);
-		arch_remove_reservations(&tmp);
+		resource_clip(&full_avail, constraint->min, constraint->max);
+		arch_remove_reservations(&full_avail);
 
 		/* Check for overflow after ALIGN() */
-		avail.start = ALIGN(tmp.start, constraint->align);
-		avail.end = tmp.end;
-		avail.flags = new->flags & ~IORESOURCE_UNSET;
-		if (avail.start >= tmp.start) {
+		avail.start = ALIGN(full_avail.start, constraint->align);
+		avail.end = full_avail.end;
+		avail.flags = new->flags;
+		if (avail.start >= full_avail.start) {
 			alloc.flags = avail.flags;
 			if (alignf) {
 				alloc.start = alignf(constraint->alignf_data,
-						     &avail, size, constraint->align);
+						     &avail, &full_avail,
+						     size, constraint->align);
 			} else {
 				alloc.start = avail.start;
 			}
 			alloc.end = alloc.start + size - 1;
 			if (alloc.start <= alloc.end &&
-			    resource_contains(&avail, &alloc)) {
+			    __resource_contains_unbound(&full_avail, &alloc)) {
 				new->start = alloc.start;
 				new->end = alloc.end;
 				return 0;
@@ -776,7 +777,7 @@ next:		if (!this || this->end == root->end)
 			break;
 
 		if (this != old)
-			tmp.start = this->end + 1;
+			full_avail.start = this->end + 1;
 		this = this->sibling;
 	}
 	return -EBUSY;