lib/genalloc.c: fix the end addr check in addr_in_gen_pool()

Since chunk->end_addr is (chunk->start_addr + size - 1), the end address
to compare should be (start + size - 1).

Signed-off-by: Toshi Kikuchi <toshik@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/lib/genalloc.c b/lib/genalloc.c
index 2e65d20..42a95e9 100644 (file)
--- a/lib/genalloc.c
+++ b/lib/genalloc.c
@@ -415,7 +415,7 @@ bool addr_in_gen_pool(struct gen_pool *pool, unsigned long start,
                        size_t size)
 {
        bool found = false;
-       unsigned long end = start + size;
+       unsigned long end = start + size - 1;
        struct gen_pool_chunk *chunk;
 
        rcu_read_lock();