[FreeBSD] Fix long standing memory leak in drm_remove_magic.

We shuffled all the links around to disconnect the entry, but
never free it.  We would incorrectly free the last entry in the
hash chain if nothing matched.

diff --git a/bsd-core/drm_auth.c b/bsd-core/drm_auth.c
index f3aafe4..60af16c 100644 (file)
--- a/bsd-core/drm_auth.c
+++ b/bsd-core/drm_auth.c
@@ -117,11 +117,11 @@ static int drm_remove_magic(struct drm_device *dev, drm_magic_t magic)
                        if (prev) {
                                prev->next = pt->next;
                        }
+                       free(pt, M_DRM);
                        return 0;
                }
        }
 
-       free(pt, M_DRM);
        return EINVAL;
 }