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staging: erofs: Modify conditional checks
Fix coding style alignment issues detected by checkpatch.pl Use ! for NULL test rather than explicitly comparing to NULL. Signed-off-by: Bhagyashri P. Dighole <digholebhagyashri@gmail.com> Reviewed-by: Gao Xiang <gaoxiang25@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -53,7 +53,7 @@ struct page *__erofs_get_meta_page(struct super_block *sb,
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repeat:
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page = find_or_create_page(mapping, blkaddr, gfp);
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if (unlikely(page == NULL)) {
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if (unlikely(!page)) {
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DBG_BUGON(nofail);
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return ERR_PTR(-ENOMEM);
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}
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@ -177,7 +177,7 @@ int erofs_map_blocks_iter(struct inode *inode,
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{
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/* by default, reading raw data never use erofs_map_blocks_iter */
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if (unlikely(!is_inode_layout_compression(inode))) {
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if (*mpage_ret != NULL)
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if (*mpage_ret)
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put_page(*mpage_ret);
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*mpage_ret = NULL;
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@ -200,7 +200,7 @@ int erofs_map_blocks(struct inode *inode,
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int err;
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err = erofs_map_blocks_iter(inode, map, &mpage, flags);
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if (mpage != NULL)
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if (mpage)
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put_page(mpage);
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return err;
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}
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@ -232,7 +232,7 @@ static inline struct bio *erofs_read_raw_page(struct bio *bio,
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}
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/* note that for readpage case, bio also equals to NULL */
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if (bio != NULL &&
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if (bio &&
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/* not continuous */
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*last_block + 1 != current_block) {
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submit_bio_retry:
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@ -240,7 +240,7 @@ static inline struct bio *erofs_read_raw_page(struct bio *bio,
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bio = NULL;
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}
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if (bio == NULL) {
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if (!bio) {
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struct erofs_map_blocks map = {
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.m_la = blknr_to_addr(current_block),
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};
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@ -342,7 +342,7 @@ static inline struct bio *erofs_read_raw_page(struct bio *bio,
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unlock_page(page);
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/* if updated manually, continuous pages has a gap */
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if (bio != NULL)
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if (bio)
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submit_bio_out:
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__submit_bio(bio, REQ_OP_READ, 0);
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@ -408,7 +408,7 @@ static int erofs_raw_access_readpages(struct file *filp,
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DBG_BUGON(!list_empty(pages));
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/* the rare case (end in gaps) */
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if (unlikely(bio != NULL))
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if (unlikely(bio))
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__submit_bio(bio, REQ_OP_READ, 0);
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return 0;
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}
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