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>
This commit is contained in:
Bhagyashri P. Dighole 2018-11-05 19:49:05 +00:00 committed by Greg Kroah-Hartman
parent f0950b02a7
commit d1ab82443b

View File

@ -53,7 +53,7 @@ struct page *__erofs_get_meta_page(struct super_block *sb,
repeat:
page = find_or_create_page(mapping, blkaddr, gfp);
if (unlikely(page == NULL)) {
if (unlikely(!page)) {
DBG_BUGON(nofail);
return ERR_PTR(-ENOMEM);
}
@ -177,7 +177,7 @@ int erofs_map_blocks_iter(struct inode *inode,
{
/* by default, reading raw data never use erofs_map_blocks_iter */
if (unlikely(!is_inode_layout_compression(inode))) {
if (*mpage_ret != NULL)
if (*mpage_ret)
put_page(*mpage_ret);
*mpage_ret = NULL;
@ -200,7 +200,7 @@ int erofs_map_blocks(struct inode *inode,
int err;
err = erofs_map_blocks_iter(inode, map, &mpage, flags);
if (mpage != NULL)
if (mpage)
put_page(mpage);
return err;
}
@ -232,7 +232,7 @@ static inline struct bio *erofs_read_raw_page(struct bio *bio,
}
/* note that for readpage case, bio also equals to NULL */
if (bio != NULL &&
if (bio &&
/* not continuous */
*last_block + 1 != current_block) {
submit_bio_retry:
@ -240,7 +240,7 @@ static inline struct bio *erofs_read_raw_page(struct bio *bio,
bio = NULL;
}
if (bio == NULL) {
if (!bio) {
struct erofs_map_blocks map = {
.m_la = blknr_to_addr(current_block),
};
@ -342,7 +342,7 @@ static inline struct bio *erofs_read_raw_page(struct bio *bio,
unlock_page(page);
/* if updated manually, continuous pages has a gap */
if (bio != NULL)
if (bio)
submit_bio_out:
__submit_bio(bio, REQ_OP_READ, 0);
@ -408,7 +408,7 @@ static int erofs_raw_access_readpages(struct file *filp,
DBG_BUGON(!list_empty(pages));
/* the rare case (end in gaps) */
if (unlikely(bio != NULL))
if (unlikely(bio))
__submit_bio(bio, REQ_OP_READ, 0);
return 0;
}