From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/fs/aio.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/kernel/fs/aio.c b/kernel/fs/aio.c
index 1a78979..5934ea8 100644
--- a/kernel/fs/aio.c
+++ b/kernel/fs/aio.c
@@ -43,6 +43,7 @@
#include <linux/mount.h>
#include <linux/pseudo_fs.h>
+#include <asm/kmap_types.h>
#include <linux/uaccess.h>
#include <linux/nospec.h>
@@ -334,6 +335,9 @@
spin_lock(&mm->ioctx_lock);
rcu_read_lock();
table = rcu_dereference(mm->ioctx_table);
+ if (!table)
+ goto out_unlock;
+
for (i = 0; i < table->nr; i++) {
struct kioctx *ctx;
@@ -347,6 +351,7 @@
}
}
+out_unlock:
rcu_read_unlock();
spin_unlock(&mm->ioctx_lock);
return res;
@@ -1761,7 +1766,7 @@
list_del_init(&req->wait.entry);
list_del(&iocb->ki_list);
iocb->ki_res.res = mangle_poll(mask);
- if (iocb->ki_eventfd && !eventfd_signal_allowed()) {
+ if (iocb->ki_eventfd && eventfd_signal_count()) {
iocb = NULL;
INIT_WORK(&req->work, aio_poll_put_work);
schedule_work(&req->work);
--
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