linux-kernel - [PATCH] virt: acrn: Use EPOLLIN instead of POLLIN

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Date:   Wed, 10 Mar 2021 15:49:01 +0800
From:   Yejune Deng <yejune.deng@...il.com>
To:     shuo.a.liu@...el.com, yejune.deng@...il.com,
        gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org, kernel test robot <lkp@...el.com>
Subject: [PATCH] virt: acrn: Use EPOLLIN instead of POLLIN

This fixes the following sparse warning:
"sparse warnings: (new ones prefixed by >>)"
>> drivers/virt/acrn/irqfd.c:163:13: sparse: sparse: restricted __poll_t
 degrades to integer

Fixes: 803c1aadecdb("virt: acrn: Use vfs_poll() instead of f_op->poll()")
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Yejune Deng <yejune.deng@...il.com>
---
 drivers/virt/acrn/irqfd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/virt/acrn/irqfd.c b/drivers/virt/acrn/irqfd.c
index 98d6e9b18f9e..df5184979b28 100644
--- a/drivers/virt/acrn/irqfd.c
+++ b/drivers/virt/acrn/irqfd.c
@@ -160,7 +160,7 @@ static int acrn_irqfd_assign(struct acrn_vm *vm, struct acrn_irqfd *args)
 	/* Check the pending event in this stage */
 	events = vfs_poll(f.file, &irqfd->pt);
 
-	if (events & POLLIN)
+	if (events & EPOLLIN)
 		acrn_irqfd_inject(irqfd);
 
 	fdput(f);
-- 
2.29.0