fuse: fix memleak in cuse_channel_open
[ Upstream commit 9ad09b1976c562061636ff1e01bfc3a57aebe56b ]
If cuse_send_init fails, need to fuse_conn_put cc->fc.
cuse_channel_open->fuse_conn_init->refcount_set(&fc->count, 1)
->fuse_dev_alloc->fuse_conn_get
->fuse_dev_free->fuse_conn_put
Fixes: cc080e9e9b
("fuse: introduce per-instance fuse_dev structure")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 1 additions and 0 deletions
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@ -518,6 +518,7 @@ static int cuse_channel_open(struct inode *inode, struct file *file)
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rc = cuse_send_init(cc);
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if (rc) {
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fuse_dev_free(fud);
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fuse_conn_put(&cc->fc);
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return rc;
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}
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file->private_data = fud;
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