VisionFive2 Linux kernel

StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)

More than 9999 Commits   33 Branches   55 Tags
author: Miklos Szeredi <mszeredi@redhat.com> 2021-06-22 09:15:35 +0200 committer: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2021-07-14 17:06:18 +0200 commit: 2644fd6588e5951012cd4fc7fe016ea8c7157eff parent: 76d97f2f3b028974f681f32884780f45e09d0d56
Commit Summary:
fuse: check connected before queueing on fpq->io
Diffstat:
1 file changed, 8 insertions, 0 deletions
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 817a0b1c5c25..6e63bcba2a40 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -1272,6 +1272,15 @@ static ssize_t fuse_dev_do_read(struct fuse_dev *fud, struct file *file,
 		goto restart;
 	}
 	spin_lock(&fpq->lock);
+	/*
+	 *  Must not put request on fpq->io queue after having been shut down by
+	 *  fuse_abort_conn()
+	 */
+	if (!fpq->connected) {
+		req->out.h.error = err = -ECONNABORTED;
+		goto out_end;
+
+	}
 	list_add(&req->list, &fpq->io);
 	spin_unlock(&fpq->lock);
 	cs->req = req;