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erofs: fix potential return value overflow of z_erofs_shrink_scan()

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z_erofs_shrink_scan() could return small numbers due to the mistyped
`freed`.

Although I don't think it has any visible impact.

Fixes: 3883a79abd ("staging: erofs: introduce VLE decompression support")
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20250114040058.459981-1-hsiangkao@linux.alibaba.com
This commit is contained in:
Gao Xiang 2025-01-14 12:00:58 +08:00
parent 9f74ae8c9a
commit db902986de
1 changed files with 1 additions and 2 deletions
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3
fs/erofs/zdata.c
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@ -927,8 +927,7 @@ unsigned long z_erofs_shrink_scan(struct erofs_sb_info *sbi,
unsigned long nr_shrink) unsigned long nr_shrink)
{ {
struct z_erofs_pcluster *pcl; struct z_erofs_pcluster *pcl;
unsigned int freed = 0; unsigned long index, freed = 0;
unsigned long index;
xa_lock(&sbi->managed_pslots); xa_lock(&sbi->managed_pslots);
xa_for_each(&sbi->managed_pslots, index, pcl) { xa_for_each(&sbi->managed_pslots, index, pcl) {