X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Fcontainer_of%2Fcontainer_of.h;h=0449935056f51a84af2a84f5b2dd7fcbf48c7678;hb=291237b4fed863be74051274ac5ad9920cb33cc3;hp=2943b8f098d5e3eba3d7f71a439712dde01df04d;hpb=516c47790828cfb892fecdbe03a6928c345d29b2;p=ccan

diff --git a/ccan/container_of/container_of.h b/ccan/container_of/container_of.h
index 2943b8f0..04499350 100644
--- a/ccan/container_of/container_of.h
+++ b/ccan/container_of/container_of.h
@@ -103,7 +103,7 @@
 	container_off(typeof(*var), member)
 #else
 #define container_off_var(var, member)			\
-	((char *)&(var)->member - (char *)(var))
+	((const char *)&(var)->member - (const char *)(var))
 #endif
 
 #endif /* CCAN_CONTAINER_OF_H */