b43legacy: Do not select HW_RANDOM
Auto-depend on HW_RANDOM, rather than "select"ing it.
This way the user has the choice to enable or disable HWRNG support.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c
index 879edc7..81dbbc1 100644
--- a/drivers/net/wireless/b43legacy/main.c
+++ b/drivers/net/wireless/b43legacy/main.c
@@ -2297,6 +2297,7 @@
dev->max_nr_keys - 8);
}
+#ifdef CONFIG_B43LEGACY_HWRNG
static int b43legacy_rng_read(struct hwrng *rng, u32 *data)
{
struct b43legacy_wl *wl = (struct b43legacy_wl *)rng->priv;
@@ -2312,17 +2313,21 @@
return (sizeof(u16));
}
+#endif
static void b43legacy_rng_exit(struct b43legacy_wl *wl)
{
+#ifdef CONFIG_B43LEGACY_HWRNG
if (wl->rng_initialized)
hwrng_unregister(&wl->rng);
+#endif
}
static int b43legacy_rng_init(struct b43legacy_wl *wl)
{
- int err;
+ int err = 0;
+#ifdef CONFIG_B43LEGACY_HWRNG
snprintf(wl->rng_name, ARRAY_SIZE(wl->rng_name),
"%s_%s", KBUILD_MODNAME, wiphy_name(wl->hw->wiphy));
wl->rng.name = wl->rng_name;
@@ -2336,6 +2341,7 @@
"number generator (%d)\n", err);
}
+#endif
return err;
}