Since percpu_counter::counters is not allocated, add and sub operations write to percpu memory with 0 offset.
In scope of https://jira.sw.ru/browse/PSBM-134639 Fixes: 1204e364ca05 "pfcache: add hashed peers for ext4" Signed-off-by: Kirill Tkhai <ktk...@virtuozzo.com> --- fs/ext4/super.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 810556737675..2d7c1d7c4190 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -4540,7 +4540,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) sbi->s_err_report.data = (unsigned long) sb; err = percpu_counter_init(&sbi->s_extent_cache_cnt, 0, GFP_KERNEL); - if (err) + if (!err) err = percpu_counter_init(&sbi->s_csum_partial, 0, GFP_KERNEL); if (!err) err = percpu_counter_init(&sbi->s_csum_complete, 0, GFP_KERNEL); _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel
