treewide: use get_random_u32_below() instead of deprecated function

This is a simple mechanical transformation done by:

@@
expression E;
@@
- prandom_u32_max
+ get_random_u32_below
  (E)

Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Darrick J. Wong <djwong@kernel.org> # for xfs
Reviewed-by: SeongJae Park <sj@kernel.org> # for damon
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> # for infiniband
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> # for arm
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # for mmc
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 629853662b82..a86db9761d00 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -5702,16 +5702,16 @@ static int schedule_resp(struct scsi_cmnd *cmnd, struct sdebug_dev_info *devip,
 			u64 ns = jiffies_to_nsecs(delta_jiff);
 
 			if (sdebug_random && ns < U32_MAX) {
-				ns = prandom_u32_max((u32)ns);
+				ns = get_random_u32_below((u32)ns);
 			} else if (sdebug_random) {
 				ns >>= 12;	/* scale to 4 usec precision */
 				if (ns < U32_MAX)	/* over 4 hours max */
-					ns = prandom_u32_max((u32)ns);
+					ns = get_random_u32_below((u32)ns);
 				ns <<= 12;
 			}
 			kt = ns_to_ktime(ns);
 		} else {	/* ndelay has a 4.2 second max */
-			kt = sdebug_random ? prandom_u32_max((u32)ndelay) :
+			kt = sdebug_random ? get_random_u32_below((u32)ndelay) :
 					     (u32)ndelay;
 			if (ndelay < INCLUSIVE_TIMING_MAX_NS) {
 				u64 d = ktime_get_boottime_ns() - ns_from_boot;