broadcom-wl: fix two problems when more then one wifi card is available.
[openwrt.git] / package / broadcom-wl / patches / 100-fix_nvram_two_devices.patch
diff --git a/package/broadcom-wl/patches/100-fix_nvram_two_devices.patch b/package/broadcom-wl/patches/100-fix_nvram_two_devices.patch
new file mode 100644 (file)
index 0000000..5650862
--- /dev/null
@@ -0,0 +1,32 @@
+--- 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) {