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treewide: use get_random_u32_below() instead of deprecated function

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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>
This commit is contained in:
Jason A. Donenfeld 2022-10-09 20:44:02 -06:00
parent 7f576b2593
commit 8032bf1233
132 changed files with 280 additions and 280 deletions
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4
lib/sbitmap.c
View file

@ -21,7 +21,7 @@ static int init_alloc_hint(struct sbitmap *sb, gfp_t flags)
int i;
for_each_possible_cpu(i)
*per_cpu_ptr(sb->alloc_hint, i) = prandom_u32_max(depth);
*per_cpu_ptr(sb->alloc_hint, i) = get_random_u32_below(depth);
}
return 0;
}
@ -33,7 +33,7 @@ static inline unsigned update_alloc_hint_before_get(struct sbitmap *sb,
hint = this_cpu_read(*sb->alloc_hint);
if (unlikely(hint >= depth)) {
hint = depth ? prandom_u32_max(depth) : 0;
hint = depth ? get_random_u32_below(depth) : 0;
this_cpu_write(*sb->alloc_hint, hint);
}