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| author | Xie Yongji <xieyongji@bytedance.com> | 2021-05-17 16:35:57 +0800 |
|---|---|---|
| committer | Dominique Martinet <asmadeus@codewreck.org> | 2021-07-27 23:01:15 +0900 |
| commit | f997ea3b7afc108eb9761f321b57de2d089c7c48 (patch) | |
| tree | 5ce179118c560b871d6ed7a14e574398fee1fff2 /net/9p | |
| parent | ff1176468d368232b684f75e82563369208bc371 (diff) | |
| download | linux-stable-f997ea3b7afc108eb9761f321b57de2d089c7c48.tar.gz linux-stable-f997ea3b7afc108eb9761f321b57de2d089c7c48.tar.bz2 linux-stable-f997ea3b7afc108eb9761f321b57de2d089c7c48.zip | |
9p/trans_virtio: Remove sysfs file on probe failure
This ensures we don't leak the sysfs file if we failed to
allocate chan->vc_wq during probe.
Link: http://lkml.kernel.org/r/20210517083557.172-1-xieyongji@bytedance.com
Fixes: 86c8437383ac ("net/9p: Add sysfs mount_tag file for virtio 9P device")
Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
Diffstat (limited to 'net/9p')
| -rw-r--r-- | net/9p/trans_virtio.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index 2bbd7dce0f1d..490a4c900339 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -610,7 +610,7 @@ static int p9_virtio_probe(struct virtio_device *vdev) chan->vc_wq = kmalloc(sizeof(wait_queue_head_t), GFP_KERNEL); if (!chan->vc_wq) { err = -ENOMEM; - goto out_free_tag; + goto out_remove_file; } init_waitqueue_head(chan->vc_wq); chan->ring_bufs_avail = 1; @@ -628,6 +628,8 @@ static int p9_virtio_probe(struct virtio_device *vdev) return 0; +out_remove_file: + sysfs_remove_file(&vdev->dev.kobj, &dev_attr_mount_tag.attr); out_free_tag: kfree(tag); out_free_vq: |