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>

diff --git a/drivers/staging/erofs/data.c b/drivers/staging/erofs/data.c
index b66191a..5a55f0b 100644 (file)
--- a/drivers/staging/erofs/data.c
+++ b/drivers/staging/erofs/data.c
@@ -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 @@ submit_bio_retry:
                bio = NULL;
        }
 
-       if (bio == NULL) {
+       if (!bio) {
                struct erofs_map_blocks map = {
                        .m_la = blknr_to_addr(current_block),
                };
@@ -342,7 +342,7 @@ has_updated:
        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;
 }