package/kernel/broadcom-wl/patches/100-fix_nvram_two_devices.patch

   1 --- a/driver/nvram_stub.c
   2 +++ b/driver/nvram_stub.c
   3 @@ -22,6 +22,7 @@ typedef struct _vars {
   4  #define        VARS_T_OH       sizeof(vars_t)
   5
   6  static vars_t *vars = NULL;
   7 +static int nvram_init_done = 0;
   8  extern char *nvram_buf[];
   9
  10  int
  11 @@ -33,6 +34,10 @@ BCMATTACHFN(nvram_init)(void *si)
  12         uint nvs, bufsz;
  13         vars_t *new;
  14
  15 +       nvram_init_done++;
  16 +       if (nvram_init_done != 1)
  17 +               return 0;
  18 +
  19         osh = si_osh(sih);
  20
  21         nvs = R_REG(osh, &nvh->len) - sizeof(struct nvram_header);
  22 @@ -79,6 +84,10 @@ BCMATTACHFN(nvram_exit)(void *si)
  23         vars_t *this, *next;
  24         si_t *sih;
  25
  26 +       nvram_init_done--;
  27 +       if (nvram_init_done != 0)
  28 +               return 0;
  29 +
  30         sih = (si_t *)si;
  31         this = vars;
  32         while (this) {