0cba744dde
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33 lines
667 B
Diff
33 lines
667 B
Diff
--- a/driver/nvram_stub.c
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+++ b/driver/nvram_stub.c
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@@ -22,6 +22,7 @@ typedef struct _vars {
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#define VARS_T_OH sizeof(vars_t)
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static vars_t *vars = NULL;
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+static int nvram_init_done = 0;
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extern char *nvram_buf[];
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int
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@@ -33,6 +34,10 @@ BCMATTACHFN(nvram_init)(void *si)
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uint nvs, bufsz;
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vars_t *new;
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+ nvram_init_done++;
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+ if (nvram_init_done != 1)
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+ return 0;
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+
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osh = si_osh(sih);
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nvs = R_REG(osh, &nvh->len) - sizeof(struct nvram_header);
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@@ -79,6 +84,10 @@ BCMATTACHFN(nvram_exit)(void *si)
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vars_t *this, *next;
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si_t *sih;
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+ nvram_init_done--;
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+ if (nvram_init_done != 0)
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+ return;
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+
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sih = (si_t *)si;
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this = vars;
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while (this) {
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