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aio: move dropping ->ki_eventfd into iocb_destroy() 

no reason to duplicate that...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
hifive-unleashed-5.1
Al Viro 2019-03-06 18:18:31 -05:00
parent 958c13ce14
commit 7425970347
1 changed files with 8 additions and 9 deletions
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17
fs/aio.c
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@ -1071,6 +1071,8 @@ out:
static inline void iocb_destroy(struct aio_kiocb *iocb)
{
if (iocb->ki_eventfd)
eventfd_ctx_put(iocb->ki_eventfd);
if (iocb->ki_filp)
fput(iocb->ki_filp);
percpu_ref_put(&iocb->ki_ctx->reqs);
@ -1138,10 +1140,8 @@ static void aio_complete(struct aio_kiocb *iocb)
* eventfd. The eventfd_signal() function is safe to be called
* from IRQ context.
*/
if (iocb->ki_eventfd) {
if (iocb->ki_eventfd)
eventfd_signal(iocb->ki_eventfd, 1);
eventfd_ctx_put(iocb->ki_eventfd);
}
/*
* We have to order our ring_info tail store above and test
@ -1807,18 +1807,19 @@ static int __io_submit_one(struct kioctx *ctx, const struct iocb *iocb,
goto out_put_req;
if (iocb->aio_flags & IOCB_FLAG_RESFD) {
struct eventfd_ctx *eventfd;
/*
* If the IOCB_FLAG_RESFD flag of aio_flags is set, get an
* instance of the file* now. The file descriptor must be
* an eventfd() fd, and will be signaled for each completed
* event using the eventfd_signal() function.
*/
req->ki_eventfd = eventfd_ctx_fdget((int) iocb->aio_resfd);
if (IS_ERR(req->ki_eventfd)) {
ret = PTR_ERR(req->ki_eventfd);
req->ki_eventfd = NULL;
eventfd = eventfd_ctx_fdget(iocb->aio_resfd);
if (IS_ERR(eventfd)) {
ret = PTR_ERR(eventfd);
goto out_put_req;
}
req->ki_eventfd = eventfd;
}
ret = put_user(KIOCB_KEY, &user_iocb->aio_key);
@ -1872,8 +1873,6 @@ static int __io_submit_one(struct kioctx *ctx, const struct iocb *iocb,
return 0;
out_put_req:
if (req->ki_eventfd)
eventfd_ctx_put(req->ki_eventfd);
iocb_destroy(req);
out_put_reqs_available:
put_reqs_available(ctx, 1);