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-rw-r--r--src/include/ipxe/nvo.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/include/ipxe/nvo.h b/src/include/ipxe/nvo.h
index 487f8b3f2..1a629da78 100644
--- a/src/include/ipxe/nvo.h
+++ b/src/include/ipxe/nvo.h
@@ -45,7 +45,8 @@ struct nvo_block {
/** Name of non-volatile options settings block */
#define NVO_SETTINGS_NAME "nvo"
-extern int nvo_applies ( struct settings *settings, struct setting *setting );
+extern int nvo_applies ( struct settings *settings,
+ const struct setting *setting );
extern void nvo_init ( struct nvo_block *nvo, struct nvs_device *nvs,
size_t address, size_t len,
int ( * resize ) ( struct nvo_block *nvo, size_t len ),