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, 4 insertions, 4 deletions

diff --git a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
index 303d02b1d71c..a366566f22c3 100644
--- a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
+++ b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
@@ -872,7 +872,7 @@ static void precalculate_color(struct tpg_data *tpg, int k)
 	} else if (tpg->pattern == TPG_PAT_NOISE) {
 		r = g = b = get_random_u8();
 	} else if (k == TPG_COLOR_RANDOM) {
-		r = g = b = tpg->qual_offset + prandom_u32_max(196);
+		r = g = b = tpg->qual_offset + get_random_u32_below(196);
 	} else if (k >= TPG_COLOR_RAMP) {
 		r = g = b = k - TPG_COLOR_RAMP;
 	}
@@ -2286,7 +2286,7 @@ static void tpg_fill_params_extras(const struct tpg_data *tpg,
 		params->wss_width = tpg->crop.width;
 	params->wss_width = tpg_hscale_div(tpg, p, params->wss_width);
 	params->wss_random_offset =
-		params->twopixsize * prandom_u32_max(tpg->src_width / 2);
+		params->twopixsize * get_random_u32_below(tpg->src_width / 2);
 
 	if (tpg->crop.left < tpg->border.left) {
 		left_pillar_width = tpg->border.left - tpg->crop.left;
@@ -2495,9 +2495,9 @@ static void tpg_fill_plane_pattern(const struct tpg_data *tpg,
 		linestart_newer = tpg->black_line[p];
 	} else if (tpg->pattern == TPG_PAT_NOISE || tpg->qual == TPG_QUAL_NOISE) {
 		linestart_older = tpg->random_line[p] +
-				  twopixsize * prandom_u32_max(tpg->src_width / 2);
+				  twopixsize * get_random_u32_below(tpg->src_width / 2);
 		linestart_newer = tpg->random_line[p] +
-				  twopixsize * prandom_u32_max(tpg->src_width / 2);
+				  twopixsize * get_random_u32_below(tpg->src_width / 2);
 	} else {
 		unsigned frame_line_old =
 			(frame_line + mv_vert_old) % tpg->src_height;