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aio: take final put_ioctx() into callers of io_destroy()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-03-20 16:27:57 -04:00
parent 06af121eab
commit a2e1859adb
1 changed files with 4 additions and 6 deletions
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10
fs/aio.c
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@ -1270,7 +1270,6 @@ static void io_destroy(struct kioctx *ioctx)
* locking done by the above calls to ensure this consistency.
*/
wake_up_all(&ioctx->wait);
put_ioctx(ioctx); /* once for the lookup */
}
/* sys_io_setup:
@ -1307,11 +1306,9 @@ SYSCALL_DEFINE2(io_setup, unsigned, nr_events, aio_context_t __user *, ctxp)
ret = PTR_ERR(ioctx);
if (!IS_ERR(ioctx)) {
ret = put_user(ioctx->user_id, ctxp);
if (!ret) {
put_ioctx(ioctx);
return 0;
}
io_destroy(ioctx);
if (ret)
io_destroy(ioctx);
put_ioctx(ioctx);
}
out:
@ -1329,6 +1326,7 @@ SYSCALL_DEFINE1(io_destroy, aio_context_t, ctx)
struct kioctx *ioctx = lookup_ioctx(ctx);
if (likely(NULL != ioctx)) {
io_destroy(ioctx);
put_ioctx(ioctx);
return 0;
}
pr_debug("EINVAL: io_destroy: invalid context id\n");