diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2021-06-25 10:34:37 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-09-26 14:07:08 +0200 |
| commit | 93f8a98ad89cd1dfdc844804b84152f1c0181790 (patch) | |
| tree | 19a9f07ec9a4b665f1dd833dd10fd587f415e9ad /arch/um | |
| parent | 4cd05e390a3bd70de662f6380177a25b69bcedb9 (diff) | |
um: virtio_uml: fix memory leak on init failures
commit 7ad28e0df7ee9dbcb793bb88dd81d4d22bb9a10e upstream.
If initialization fails, e.g. because the connection failed,
we leak the 'vu_dev'. Fix that. Reported by smatch.
Fixes: 5d38f324993f ("um: drivers: Add virtio vhost-user driver")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-By: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/um')
| -rw-r--r-- | arch/um/drivers/virtio_uml.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/um/drivers/virtio_uml.c b/arch/um/drivers/virtio_uml.c index 18618af3835f..936e17eab336 100644 --- a/arch/um/drivers/virtio_uml.c +++ b/arch/um/drivers/virtio_uml.c @@ -994,7 +994,7 @@ static int virtio_uml_probe(struct platform_device *pdev) rc = os_connect_socket(pdata->socket_path); } while (rc == -EINTR); if (rc < 0) - return rc; + goto error_free; vu_dev->sock = rc; rc = vhost_user_init(vu_dev); @@ -1010,6 +1010,8 @@ static int virtio_uml_probe(struct platform_device *pdev) error_init: os_close_file(vu_dev->sock); +error_free: + kfree(vu_dev); return rc; } |