Hello,
When IOCB_FLAG_RESFD flag is set and iocb->aio_resfd is incorrect,

statement 'goto out_put_req' is executed. At label 'out_put_req',

aio_put_req(..) is called, which requires 'req->ki_filp' set.
Regards
Signed-off-by: Yan Zheng<yanzheng@21cn.com>

----

diff -ur linux-2.6.23-rc9/fs/aio.c linux/fs/aio.c

--- linux-2.6.23-rc9/fs/aio.c   2007-07-09 07:32:17.000000000 +0800

+++ linux/fs/aio.c      2007-10-07 00:05:10.000000000 +0800

@@ -1562,6 +1562,7 @@

                fput(file);

                return -EAGAIN;

        }

+       req->ki_filp = file;

        if (iocb->aio_flags & IOCB_FLAG_RESFD) {

                /*

                 * If the IOCB_FLAG_RESFD flag of aio_flags is set, get an

@@ -1576,7 +1577,6 @@

                }

        }
-       req->ki_filp = file;

        ret = put_user(req->ki_key, &user_iocb->aio_key);

        if (unlikely(ret)) {

                dprintk("EFAULT: aio_key\n");

-