kernel/amd64: bus: Check bus_set() status

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/sys/arch/amd64/amd64/bus_machdep.c b/sys/arch/amd64/amd64/bus_machdep.c
index 89ef317..f6f63f7 100644
--- a/sys/arch/amd64/amd64/bus_machdep.c
+++ b/sys/arch/amd64/amd64/bus_machdep.c
@@ -149,6 +149,9 @@ bus_establish(const char *name)
 
     memset(brp, 0, sizeof(*brp));
     memcpy(brp->signature, name, siglen);
-    bus_set(brp, name);
+    if (bus_set(brp, name) < 0) {
+        dynfree(brp);
+        return NULL;
+    }
     return brp;
 }