Add null check before calling xen_blkif_put() to avoid potential
null pointer dereference.
Addresses-Coverity-ID:
1350942
Cc: Juergen Gross <jgross@suse.com>
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
dev_set_drvdata(&dev->dev, NULL);
- if (be->blkif)
+ if (be->blkif) {
xen_blkif_disconnect(be->blkif);
- /* Put the reference we set in xen_blkif_alloc(). */
- xen_blkif_put(be->blkif);
+ /* Put the reference we set in xen_blkif_alloc(). */
+ xen_blkif_put(be->blkif);
+ }
+
kfree(be->mode);
kfree(be);
return 0;