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vfs/poll: correct the return event if inode has closed

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Signed-off-by: chao.an <anchao@xiaomi.com>
This commit is contained in:
chao.an 2021-09-09 11:38:03 +08:00 committed by Xiang Xiao
parent 60d4ee11ee
commit 6dde42d79b
1 changed files with 8 additions and 1 deletions
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9
fs/vfs/fs_poll.c
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@ -299,7 +299,7 @@ int file_poll(FAR struct file *filep, FAR struct pollfd *fds, bool setup)
FAR struct inode *inode; FAR struct inode *inode;
int ret = -ENOSYS; int ret = -ENOSYS;
DEBUGASSERT(filep != NULL && filep->f_inode != NULL); DEBUGASSERT(filep != NULL);
inode = filep->f_inode; inode = filep->f_inode;
if (inode != NULL) if (inode != NULL)
@ -337,6 +337,13 @@ int file_poll(FAR struct file *filep, FAR struct pollfd *fds, bool setup)
ret = OK; ret = OK;
} }
} }
else
{
fds->revents |= (POLLERR | POLLHUP);
nxsem_post(fds->sem);
ret = OK;
}
return ret; return ret;
} }