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fs/vfs: fix dup issue for eventfd/signalfd/timerfd

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Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
This commit is contained in:
dongjiuzhu1 2023-09-08 16:02:49 +08:00 • committed by Xiang Xiao
parent 30bb3086be
commit 6367f2469c
3 changed files with 4 additions and 0 deletions
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1
fs/vfs/fs_eventfd.c
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@ -135,6 +135,7 @@ static FAR struct eventfd_priv_s *eventfd_allocdev(void)
nxmutex_init(&dev->lock);
nxmutex_lock(&dev->lock);
dev->crefs++;
}
return dev;

2
fs/vfs/fs_signalfd.c
View file

@ -355,6 +355,8 @@ int signalfd(int fd, FAR const sigset_t *mask, int flags)
ret = -fd;
goto errout_with_dev;
}
dev->crefs++;
}
else
{

1
fs/vfs/fs_timerfd.c
View file

@ -146,6 +146,7 @@ static FAR struct timerfd_priv_s *timerfd_allocdev(void)
nxmutex_init(&dev->lock);
nxmutex_lock(&dev->lock);
dev->crefs++;
}
return dev;