AcoSail/kernel_optimize_test
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fuse: fix memleak in cuse_channel_open

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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>
This commit is contained in:
zhengbin 2019-08-14 15:59:09 +08:00 committed by Miklos Szeredi
parent e5854b1cdf
commit 9ad09b1976
1 changed files with 1 additions and 0 deletions
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fs/fuse/cuse.c
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@ -521,6 +521,7 @@ static int cuse_channel_open(struct inode *inode, struct file *file)
rc = cuse_send_init(cc);
if (rc) {
fuse_dev_free(fud);
fuse_conn_put(&cc->fc);
return rc;
}
file->private_data = fud;