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smalloc: fix off-by-one in ptr_valid()
author
Jens Axboe
<jens.axboe@oracle.com>
Tue, 27 May 2008 12:44:23 +0000
(14:44 +0200)
committer
Jens Axboe
<jens.axboe@oracle.com>
Tue, 27 May 2008 12:44:23 +0000
(14:44 +0200)
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
smalloc.c
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diff --git
a/smalloc.c
b/smalloc.c
index c03c4040b847358ff827ddf044f13f7349ce7409..e97ba011319bd83e33549b51880d63fa2031806a 100644
(file)
--- a/
smalloc.c
+++ b/
smalloc.c
@@
-90,7
+90,7
@@
static inline void global_write_unlock(void)
static inline int ptr_valid(struct pool *pool, void *ptr)
{
static inline int ptr_valid(struct pool *pool, void *ptr)
{
- unsigned int pool_size =
pool->nr_blocks
* SMALLOC_BPL;
+ unsigned int pool_size =
(pool->nr_blocks + 1)
* SMALLOC_BPL;
return (ptr >= pool->map) && (ptr < pool->map + pool_size);
}
return (ptr >= pool->map) && (ptr < pool->map + pool_size);
}