On Tue, Oct 19, 2021 at 07:52:33PM +0800, Xuan Zhuo wrote: > In the case of packed, use indirect desc, since desc is allocated by > kmalloc_array(), we should check whether its return value is NULL. >
a better description here: fix theoretical issues in virtio_ring (so I'm guessing - or did you observe any null pointer dereferences?) > v4: > Inside the #2 patch, virtqueue_add_indirect_packed() return -EAGAIN when > desc == NULL. > > v3: > Update commit message of the #1 patch. > > v2: > Separate the style fix into a single patch. > > > Xuan Zhuo (2): > virtio_ring: fix style of virtqueue_add_indirect_packed > virtio_ring: check desc == NULL when using indirect with packed > > drivers/virtio/virtio_ring.c | 25 ++++++++++++++++--------- > 1 file changed, 16 insertions(+), 9 deletions(-) > > -- > 2.31.0 _______________________________________________ Virtualization mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/virtualization
