uwb: rename random32() to prandom_u32()

Use preferable function name which implies using a pseudo-random
number generator.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/uwb/rsv.c b/drivers/uwb/rsv.c
index 0b0d8bce842e..f4ae05f78c42 100644
--- a/drivers/uwb/rsv.c
+++ b/drivers/uwb/rsv.c
@@ -231,7 +231,7 @@ void uwb_rsv_backoff_win_increment(struct uwb_rc *rc)
                 return;
 
         bow->window <<= 1;
-        bow->n = random32() & (bow->window - 1);
+        bow->n = prandom_u32() & (bow->window - 1);
         dev_dbg(dev, "new_window=%d, n=%d\n: ", bow->window, bow->n);
 
         /* reset the timer associated variables */
@@ -557,7 +557,7 @@ int uwb_rsv_establish(struct uwb_rsv *rsv)
         if (ret)
                 goto out;
 
-        rsv->tiebreaker = random32() & 1;
+        rsv->tiebreaker = prandom_u32() & 1;
         /* get available mas bitmap */
         uwb_drp_available(rc, &available);