commit b8e076a6ef253e763bfdb81e5c72bcc828b0fbeb upstream.
remove all redundant BUG_ONs, and turn the rest useful usages to DBG_BUGONs.
Signed-off-by: Gao Xiang gaoxiang25@huawei.com Reviewed-by: Chao Yu yuchao0@huawei.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Gao Xiang gaoxiang25@huawei.com --- drivers/staging/erofs/unzip_vle_lz4.c | 2 +- drivers/staging/erofs/utils.c | 12 ++++++------ 2 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/staging/erofs/unzip_vle_lz4.c b/drivers/staging/erofs/unzip_vle_lz4.c index 1a428658cbea..16ac335ee59f 100644 --- a/drivers/staging/erofs/unzip_vle_lz4.c +++ b/drivers/staging/erofs/unzip_vle_lz4.c @@ -57,7 +57,7 @@ int z_erofs_vle_plain_copy(struct page **compressed_pages, if (compressed_pages[j] != page) continue;
- BUG_ON(mirrored[j]); + DBG_BUGON(mirrored[j]); memcpy(percpu_data + j * PAGE_SIZE, dst, PAGE_SIZE); mirrored[j] = true; break; diff --git a/drivers/staging/erofs/utils.c b/drivers/staging/erofs/utils.c index d2e3ace91046..b535898ca753 100644 --- a/drivers/staging/erofs/utils.c +++ b/drivers/staging/erofs/utils.c @@ -23,9 +23,6 @@ struct page *erofs_allocpage(struct list_head *pool, gfp_t gfp) list_del(&page->lru); } else { page = alloc_pages(gfp | __GFP_NOFAIL, 0); - - BUG_ON(page == NULL); - BUG_ON(page->mapping != NULL); } return page; } @@ -58,7 +55,7 @@ struct erofs_workgroup *erofs_find_workgroup( /* decrease refcount added by erofs_workgroup_put */ if (unlikely(oldcount == 1)) atomic_long_dec(&erofs_global_shrink_cnt); - BUG_ON(index != grp->index); + DBG_BUGON(index != grp->index); } rcu_read_unlock(); return grp; @@ -71,8 +68,11 @@ int erofs_register_workgroup(struct super_block *sb, struct erofs_sb_info *sbi; int err;
- /* grp->refcount should not < 1 */ - BUG_ON(!atomic_read(&grp->refcount)); + /* grp shouldn't be broken or used before */ + if (unlikely(atomic_read(&grp->refcount) != 1)) { + DBG_BUGON(1); + return -EINVAL; + }
err = radix_tree_preload(GFP_NOFS); if (err)