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, 1 insertions, 1 deletions

diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c
index 88dc66ee1c46..5565f67d6537 100644
--- a/drivers/pci/p2pdma.c
+++ b/drivers/pci/p2pdma.c
@@ -673,7 +673,7 @@ struct pci_dev *pci_p2pmem_find_many(struct device **clients, int num_clients)
 	}
 
 	if (dev_cnt)
-		pdev = pci_dev_get(closest_pdevs[prandom_u32_max(dev_cnt)]);
+		pdev = pci_dev_get(closest_pdevs[get_random_u32_below(dev_cnt)]);
 
 	for (i = 0; i < dev_cnt; i++)
 		pci_dev_put(closest_pdevs[i]);