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-rw-r--r--arch/um/drivers/null.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/um/drivers/null.c b/arch/um/drivers/null.c
index 3683ed4..9016c68 100644
--- a/arch/um/drivers/null.c
+++ b/arch/um/drivers/null.c
@@ -8,6 +8,7 @@
#include "chan_user.h"
#include "os.h"
+/* This address is used only as a unique identifer */
static int null_chan;
static void *null_init(char *str, int device, const struct chan_opts *opts)
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