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-rw-r--r--kernel/resource.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/resource.c b/kernel/resource.c
index 35c99ac02c7..52f696f11ad 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -266,7 +266,7 @@ static int find_resource(struct resource *root, struct resource *new,
new->start = (new->start + align - 1) & ~(align - 1);
if (alignf)
alignf(alignf_data, new, size, align);
- if (new->start < new->end && new->end - new->start + 1 >= size) {
+ if (new->start < new->end && new->end - new->start >= size - 1) {
new->end = new->start + size - 1;
return 0;
}