smalloc: don't use void* for pointer arithmetic (gcc)

I think gcc extension should be avoided when it can be done by
just changing a pointer type.

Signed-off-by: Tomohiro Kusumi <tkusumi@tuxera.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/smalloc.c b/smalloc.c
index e48cfe8b1c11339d8e566743472795606668d588..cab7132511b1729b152278f119d300c83f54b5d2 100644 (file)
--- a/smalloc.c
+++ b/smalloc.c
@@ -189,7 +189,7 @@ static bool add_pool(struct pool *pool, unsigned int alloc_size)
                goto out_fail;
 
        pool->map = ptr;
-       pool->bitmap = (void *) ptr + (pool->nr_blocks * SMALLOC_BPL);
+       pool->bitmap = (unsigned int *)((char *) ptr + (pool->nr_blocks * SMALLOC_BPL));
        memset(pool->bitmap, 0, bitmap_blocks * sizeof(unsigned int));
 
        pool->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED);