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authorDavid S. Miller <davem@davemloft.net>2023-02-17 11:06:39 +0000
committerDavid S. Miller <davem@davemloft.net>2023-02-17 11:06:39 +0000
commit675f176b4dcc2b75adbcea7ba0e9a649527f53bd (patch)
treedc5eea870c19b405bb6558964e5367bb6c9205c5 /fs/aio.c
parent84cb1b53cdbad52642571e31a8aee301206d2043 (diff)
parentec35307e18ba8174e2a3f701956059f6a36f22fb (diff)
Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net
Some of the devlink bits were tricky, but I think I got it right. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/aio.c')
-rw-r--r--fs/aio.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/aio.c b/fs/aio.c
index 562916d85cba..e85ba0b77f59 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -361,6 +361,9 @@ static int aio_ring_mremap(struct vm_area_struct *vma)
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;
@@ -374,6 +377,7 @@ static int aio_ring_mremap(struct vm_area_struct *vma)
}
}
+out_unlock:
rcu_read_unlock();
spin_unlock(&mm->ioctx_lock);
return res;