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[RFC PATCH-for-5.2] tools/virtiofsd: Check vu_init() return value (CID 1
From: |
Philippe Mathieu-Daudé |
Subject: |
[RFC PATCH-for-5.2] tools/virtiofsd: Check vu_init() return value (CID 1435958) |
Date: |
Fri, 30 Oct 2020 16:09:51 +0100 |
Since commit 6f5fd837889, vu_init() can fail if malloc() returns NULL.
This fixes the following Coverity warning:
CID 1435958 (#1 of 1): Unchecked return value (CHECKED_RETURN)
Fixes: 6f5fd837889 ("libvhost-user: support many virtqueues")
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
tools/virtiofsd/fuse_virtio.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/tools/virtiofsd/fuse_virtio.c b/tools/virtiofsd/fuse_virtio.c
index 324936948d3..3a32256e7af 100644
--- a/tools/virtiofsd/fuse_virtio.c
+++ b/tools/virtiofsd/fuse_virtio.c
@@ -1013,8 +1013,10 @@ int virtio_session_mount(struct fuse_session *se)
se->vu_socketfd = data_sock;
se->virtio_dev->se = se;
pthread_rwlock_init(&se->virtio_dev->vu_dispatch_rwlock, NULL);
- vu_init(&se->virtio_dev->dev, 2, se->vu_socketfd, fv_panic, NULL,
- fv_set_watch, fv_remove_watch, &fv_iface);
+ if (!vu_init(&se->virtio_dev->dev, 2, se->vu_socketfd, fv_panic, NULL,
+ fv_set_watch, fv_remove_watch, &fv_iface)) {
+ return -1;
+ }
return 0;
}
--
2.26.2
- [RFC PATCH-for-5.2] tools/virtiofsd: Check vu_init() return value (CID 1435958),
Philippe Mathieu-Daudé <=