linux-kernel - [PATCH] virt: acrn: Use vfs_poll() instead of f

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Message-Id: <20210219092612.7533-1-yejune.deng@gmail.com>
Date:   Fri, 19 Feb 2021 17:26:12 +0800
From:   Yejune Deng <yejune.deng@...il.com>
To:     shuo.a.liu@...el.com
Cc:     linux-kernel@...r.kernel.org, Yejune Deng <yejune.deng@...il.com>
Subject: [PATCH] virt: acrn: Use vfs_poll() instead of f_op->poll()

In acrn_irqfd_assign(), use vfs_poll() is a more advanced function,
as the same time, modify the definition of events.

Signed-off-by: Yejune Deng <yejune.deng@...il.com>
---
 drivers/virt/acrn/irqfd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/virt/acrn/irqfd.c b/drivers/virt/acrn/irqfd.c
index a8766d528e29..19890396e174 100644
--- a/drivers/virt/acrn/irqfd.c
+++ b/drivers/virt/acrn/irqfd.c
@@ -112,9 +112,9 @@ static int acrn_irqfd_assign(struct acrn_vm *vm, struct acrn_irqfd *args)
 {
 	struct eventfd_ctx *eventfd = NULL;
 	struct hsm_irqfd *irqfd, *tmp;
-	unsigned int events;
 	struct fd f;
 	int ret = 0;
+	__poll_t events;
 
 	irqfd = kzalloc(sizeof(*irqfd), GFP_KERNEL);
 	if (!irqfd)
@@ -158,7 +158,7 @@ static int acrn_irqfd_assign(struct acrn_vm *vm, struct acrn_irqfd *args)
 	mutex_unlock(&vm->irqfds_lock);
 
 	/* Check the pending event in this stage */
-	events = f.file->f_op->poll(f.file, &irqfd->pt);
+	events = vfs_poll(f.file, &irqfd->pt);
 
 	if (events & POLLIN)
 		acrn_irqfd_inject(irqfd);
-- 
2.29.0