X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/03944e7734220bf7e7aa7b7113bcbdf9c22808a5..d8d001a6664b88b66524989589fcd809de6d3a92:/lunaix-os/includes/lunaix/common.h

diff --git a/lunaix-os/includes/lunaix/common.h b/lunaix-os/includes/lunaix/common.h
index 7fdf0b3..d341daa 100644
--- a/lunaix-os/includes/lunaix/common.h
+++ b/lunaix-os/includes/lunaix/common.h
@@ -48,7 +48,7 @@
 #define container_of(ptr, type, member)                                        \
     ({                                                                         \
         const typeof(((type*)0)->member)* __mptr = (ptr);                      \
-        (type*)((char*)__mptr - offsetof(type, member));                       \
+        (ptr) ? (type*)((char*)__mptr - offsetof(type, member)) : 0;           \
     })
 
 #endif