linuxkpi: Add prandom_u32_max

This is just a wrapper around arc4random_uniform Needed by DRM v5.3 Sponsored-by: The FreeBSD Foundation Reviewed by: cem, hselasky Differential Revision: https://reviews.freebsd.org/D24961
svn path=/head/; revision=361419
2020-05-23 17:52:25 +00:00 · 2020-05-23 17:52:25 +00:00 · af300929f9 · 2020-12-20 02:59:44 +00:00
commit af300929f9
parent 353d02e927
1 changed files with 6 additions and 0 deletions
--- a/sys/compat/linuxkpi/common/include/linux/random.h
+++ b/sys/compat/linuxkpi/common/include/linux/random.h
@ -62,4 +62,10 @@ get_random_long(void)
 	return (val);
 }

+static inline u32
+prandom_u32_max(u32 max)
+{
+	return (arc4random_uniform(max));
+}
+
 #endif /* _LINUX_RANDOM_H_ */