blob: 5650862f8363877d5fe2b612d7742291c15343fd (
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--- a/driver/nvram_stub.c
+++ b/driver/nvram_stub.c
@@ -22,6 +22,7 @@ typedef struct _vars {
#define VARS_T_OH sizeof(vars_t)
static vars_t *vars = NULL;
+static int nvram_init_done = 0;
extern char *nvram_buf[];
int
@@ -33,6 +34,10 @@ BCMATTACHFN(nvram_init)(void *si)
uint nvs, bufsz;
vars_t *new;
+ nvram_init_done++;
+ if (nvram_init_done != 1)
+ return 0;
+
osh = si_osh(sih);
nvs = R_REG(osh, &nvh->len) - sizeof(struct nvram_header);
@@ -79,6 +84,10 @@ BCMATTACHFN(nvram_exit)(void *si)
vars_t *this, *next;
si_t *sih;
+ nvram_init_done--;
+ if (nvram_init_done != 0)
+ return 0;
+
sih = (si_t *)si;
this = vars;
while (this) {
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