1 files changed, 3 insertions, 3 deletions

diff --git a/kernel/resource.c b/kernel/resource.c
index 90552aab5f2d..fed052a1bc9f 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -504,13 +504,13 @@ int region_is_ram(resource_size_t start, unsigned long size)
 {
         struct resource *p;
         resource_size_t end = start + size - 1;
-        int flags = IORESOURCE_MEM | IORESOURCE_BUSY;
+        unsigned long flags = IORESOURCE_MEM | IORESOURCE_BUSY;
         const char *name = "System RAM";
         int ret = -1;
 
         read_lock(&resource_lock);
         for (p = iomem_resource.child; p ; p = p->sibling) {
-                if (end < p->start)
+                if (p->end < start)
                         continue;
 
                 if (p->start <= start && end <= p->end) {
@@ -521,7 +521,7 @@ int region_is_ram(resource_size_t start, unsigned long size)
                                 ret = 1;
                         break;
                 }
-                if (p->end < start)
+                if (end < p->start)
                         break;  /* not found */
         }
         read_unlock(&resource_lock);