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-rw-r--r--arch/um/drivers/mcast.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/um/drivers/mcast.h b/arch/um/drivers/mcast.h
index a2c6db24345..bc56af9d3e5 100644
--- a/arch/um/drivers/mcast.h
+++ b/arch/um/drivers/mcast.h
@@ -13,7 +13,7 @@ struct mcast_data {
void *dev;
};
-extern struct net_user_info mcast_user_info;
+extern const struct net_user_info mcast_user_info;
extern int mcast_user_write(int fd, void *buf, int len,
struct mcast_data *pri);