On 2026-10-27T18:52:31, Yuho Choi <[email protected]> wrote: > virtio: free device name when the driver is not configured > > virtio_uclass_post_probe() duplicates the name for the child device with > strdup() and passes it to device_bind_driver(). If the driver for the > reported device type is not built, device_bind_driver() returns -ENOENT > and the function returns 0 without freeing the name. Ownership of the > name only passes to the device through device_set_name_alloced() after > a successful bind. > > This happens on each probe of a virtio transport whose device type is > listed in virtio_drv_name[] but whose driver is disabled, e.g. a > virtio-9p device on a QEMU target without CONFIG_VIRTIO_9P, or the > virtio-blk node of the sandbox test device tree, as sandbox_defconfig > does not enable CONFIG_VIRTIO_BLK. > > Free the name on this path as well. > > Fixes: 8fb49b4c7a82 ("dm: Add a new uclass driver for VirtIO transport > devices") > Signed-off-by: Yuho Choi <[email protected]> > > drivers/virtio/virtio-uclass.c | 1 + > 1 file changed, 1 insertion(+)
Reviewed-by: Simon Glass <[email protected]>
